fix query

src/equipment_sparepart/service.py

@@ -5,7 +5,7 @@ from sqlalchemy import Delete, Select, and_, text
 from sqlalchemy.orm import selectinload
 
 from src.auth.service import CurrentUser
-from src.database.core import DbSession
+from src.database.core import CollectorDbSession, DbSession
 from src.database.service import CommonParameters, search_filter_sort_paginate
 
 from .model import ScopeEquipmentPart
@@ -16,33 +16,119 @@ from .schema import ScopeEquipmentActivityCreate, ScopeEquipmentActivityUpdate
 #     result = await db_session.get(ScopeEquipmentActivity, scope_equipment_activity_id)
 #     return result
 
-
-def create_dummy_parts(assetnum: str, count: int = 5):
-    """
-    Create a list of dummy ScopeEquipmentPart objects with random stock values.
-
-    Args:
-        assetnum (str): The base asset number to generate dummy parts for.
-        count (int): The number of parts to create. Default is 5.
-
-    Returns:
-        List[ScopeEquipmentPart]: A list of dummy ScopeEquipmentPart objects.
-    """
-    parts = []
-    for i in range(1, count + 1):
-        # Generate a unique part asset number
-        part_assetnum = f"{assetnum}_PART_{i}"
-        stock = random.randint(1, 100)  # Random stock value between 1 and 100
-        parts.append({"assetnum": part_assetnum, "stock": stock})
-    return parts
-
-
-from sqlalchemy import text
 from typing import Optional, List, Dict, Any
-from datetime import datetime
+from sqlalchemy.ext.asyncio import AsyncSession as DbSession
+from sqlalchemy.sql import text
+import logging
+
+logger = logging.getLogger(__name__)
+
+# async def get_all(
+#     db_session: CollectorDbSession, 
+#     location_tag: Optional[str] = None,
+#     start_year: int = 2023,
+#     end_year: Optional[int] = None,
+#     parent_wonum: Optional[str] = None
+# ) -> List[Dict[str, Any]]:
+#     """
+#     Retrieve overhaul spare parts consumption data.
+#     Handles missing data, null parent WO, and query safety.
+
+#     Args:
+#         db_session: Async SQLAlchemy session
+#         location_tag: Optional location filter
+#         start_year: Year to start analysis (default 2023)
+#         end_year: Optional year to end analysis (default start_year + 1)
+#         parent_wonum: Parent work order number (required for context)
+
+#     Returns:
+#         List of dictionaries with spare part usage per overhaul WO.
+#     """
+
+#     # --- 1. Basic validation ---
+#     if not parent_wonum:
+#         logger.warning("Parent WO number not provided. Returning empty result.")
+#         return []
+
+#     if start_year < 1900 or (end_year and end_year < start_year):
+#         raise ValueError("Invalid year range provided.")
+
+#     if end_year is None:
+#         end_year = start_year + 1
+
+#     # --- 2. Build SQL safely ---
+#     base_query = """
+#     WITH filtered_wo AS (
+#         SELECT wonum, location_tag
+#         FROM public.wo_max 
+#         WHERE worktype = 'OH' 
+#           AND xx_parent = :parent_wonum
+#     """
+
+#     params = {
+#         "parent_wonum": parent_wonum,
+#     }
+
+#     if location_tag:
+#         base_query += " AND location_tag = :location_tag"
+#         params["location_tag"] = location_tag
+
+#     base_query += """
+#     ),
+#     filtered_materials AS (
+#         SELECT wonum, itemnum, itemqty, inv_curbaltotal, inv_avgcost
+#         FROM public.wo_max_material
+#         WHERE wonum IN (SELECT wonum FROM filtered_wo)
+#     )
+#     SELECT 
+#         fwo.location_tag AS location_tag,
+#         fm.itemnum,
+#         spl.description AS sparepart_name,
+#         COALESCE(SUM(fm.itemqty), 0) AS parts_consumed_in_oh,
+#         COALESCE(AVG(fm.inv_avgcost), 0) AS avgcost,
+#         COALESCE(AVG(fm.inv_curbaltotal), 0) AS inv_curbaltotal
+#     FROM filtered_wo fwo
+#     INNER JOIN filtered_materials fm ON fwo.wonum = fm.wonum
+#     LEFT JOIN public.maximo_sparepart_pr_po_line spl ON fm.itemnum = spl.item_num
+#     GROUP BY fwo.location_tag, fm.itemnum, spl.description
+#     ORDER BY fwo.location_tag, fm.itemnum;
+#     """
+
+#     # --- 3. Execute query ---
+#     try:
+#         result = await db_session.execute(text(base_query), params)
+#         rows = result.fetchall()
+
+#         # Handle "no data found"
+#         if not rows:
+#             logger.info(f"No spare part data found for parent WO {parent_wonum}.")
+#             return []
+
+#         # --- 4. Map results cleanly ---
+#         equipment_parts = []
+#         for row in rows:
+#             try:
+#                 equipment_parts.append({
+#                     "location_tag": row.location_tag,
+#                     "itemnum": row.itemnum,
+#                     "sparepart_name": row.sparepart_name or "-",
+#                     "parts_consumed_in_oh": float(row.parts_consumed_in_oh or 0),
+#                     "avgcost": float(row.avgcost or 0),
+#                     "inv_curbaltotal": float(row.inv_curbaltotal or 0)
+#                 })
+#             except Exception as parse_err:
+#                 logger.error(f"Failed to parse row {row}: {parse_err}")
+#                 continue  # Skip malformed rows
+
+#         return equipment_parts
+
+#     except Exception as e:
+#         logger.exception(f"Database query failed: {e}")
+#         raise RuntimeError("Failed to fetch overhaul spare parts data.") from e
+
 
 async def get_all(
-    db_session: DbSession, 
+    db_session, 
     location_tag: Optional[str] = None,
     start_year: int = 2023,
     end_year: Optional[int] = None
@@ -81,22 +167,20 @@ async def get_all(
     
     base_query += """
     ),
-    filtered_transactions AS (
-        SELECT wonum, itemnum, curbal
-        FROM public.maximo_material_use_transactions
-        WHERE issuetype = 'ISSUE'
-            AND wonum IN (SELECT wonum FROM filtered_wo)
-    )
+    filtered_materials AS (
+         SELECT wonum, itemnum, itemqty, inv_curbaltotal, inv_avgcost
+         FROM public.wo_maxim_material
+         WHERE wonum IN (SELECT wonum FROM filtered_wo)
+     )
     SELECT 
         fwo.asset_location AS location_tag,
         ft.itemnum,
         spl.description AS sparepart_name,
-        COUNT(*) AS parts_consumed_in_oh,
-        MIN(ft.curbal) AS min_remaining_balance,
-        MAX(mi.curbaltotal) AS inv_curbaltotal
+        COALESCE(SUM(ft.itemqty), 0) AS parts_consumed_in_oh,
+        COALESCE(AVG(ft.inv_avgcost), 0) AS avgcost,
+        COALESCE(AVG(ft.inv_curbaltotal), 0) AS inv_curbaltotal
     FROM filtered_wo fwo
-    INNER JOIN filtered_transactions ft ON fwo.wonum = ft.wonum
-    INNER JOIN public.maximo_inventory mi ON ft.itemnum = mi.itemnum
+    INNER JOIN filtered_materials ft ON fwo.wonum = ft.wonum
     LEFT JOIN public.maximo_sparepart_pr_po_line spl ON ft.itemnum = spl.item_num
     GROUP BY fwo.asset_location, ft.itemnum, spl.description
     ORDER BY fwo.asset_location, ft.itemnum
@@ -123,32 +207,4 @@ async def get_all(
     except Exception as e:
         # Log the error appropriately in your application
         print(f"Database query error: {e}")
-        raise
-# async def create(*, db_session: DbSession, scope_equipment_activty_in: ScopeEquipmentActivityCreate):
-#     activity = ScopeEquipmentActivity(
-#         **scope_equipment_activty_in.model_dump())
-#     db_session.add(activity)
-#     await db_session.commit()
-#     return activity
-
-
-# async def update(*, db_session: DbSession, activity: ScopeEquipmentActivity, scope_equipment_activty_in: ScopeEquipmentActivityUpdate):
-#     """Updates a document."""
-#     data = scope_equipment_activty_in.model_dump()
-
-#     update_data = scope_equipment_activty_in.model_dump(exclude_defaults=True)
-
-#     for field in data:
-#         if field in update_data:
-#             setattr(activity, field, update_data[field])
-
-#     await db_session.commit()
-
-#     return activity
-
-
-# async def delete(*, db_session: DbSession, scope_equipment_activity_id: str):
-#     """Deletes a document."""
-#     activity = await db_session.get(ScopeEquipmentActivity, scope_equipment_activity_id)
-#     await db_session.delete(activity)
-#     await db_session.commit()
+        raise

src/maximo/service.py

@@ -85,56 +85,122 @@ ORDER BY avg_cost DESC;
     }
 
 
+# async def get_oh_cost_summary(collector_db: CollectorDbSession, last_oh_date:datetime, upcoming_oh_date:datetime):
+#     query = text("""
+#     WITH target_wo AS (
+#         -- Get work orders under a specific parent(s)
+#         SELECT 
+#             wonum,
+#             xx_parent,
+#             assetnum,
+#             location_tag AS asset_location,
+#             actmatcost,
+#             actservcost,
+#             reportdate
+#         FROM public.wo_maxim
+#         WHERE xx_parent = ANY(:parent_nums)
+#     ),
+#     part_costs AS (
+#         -- Calculate parts cost per WO if actmatcost = 0
+#         SELECT 
+#             wm.wonum,
+#             SUM(
+#                 wm.itemqty * 
+#                 COALESCE(wm.inv_avgcost, po.unit_cost, 0)
+#             ) AS parts_total_cost
+#         FROM public.wo_maxim_material wm
+#         LEFT JOIN (
+#             SELECT item_num, AVG(unit_cost) AS unit_cost
+#             FROM public.maximo_sparepart_pr_po_line
+#             GROUP BY item_num
+#         ) po ON wm.itemnum = po.item_num
+#         WHERE wm.itemnum IS NOT NULL
+#         GROUP BY wm.wonum
+#     ),
+#     wo_costs AS (
+#         SELECT 
+#             w.wonum,
+#             w.asset_location,
+#             CASE 
+#                 WHEN COALESCE(w.actmatcost, 0) > 0 THEN COALESCE(w.actmatcost, 0)
+#                 ELSE COALESCE(pc.parts_total_cost, 0)
+#             END AS material_cost,
+#             COALESCE(w.actservcost, 0) AS service_cost
+#         FROM target_wo w
+#         LEFT JOIN part_costs pc ON w.wonum = pc.wonum
+#     )
+#     SELECT 
+#         asset_location,
+#         ROUND(SUM(material_cost + service_cost)::numeric / COUNT(wonum), 2) AS avg_cost,
+#         COUNT(wonum) AS total_wo_count
+#     FROM wo_costs
+#     GROUP BY asset_location
+#     ORDER BY total_wo_count DESC;
+#     """)
+
+#     parent_nums = []
+    
+#     result = await collector_db.execute(query, {"parent_nums": parent_nums})
+#     data = []
+
+#     for row in result:
+#         data.append({
+#             "location_tag": row.asset_location,
+#             "avg_cost": float(row.avg_cost or 0.0),
+#             "total_wo_count": row.total_wo_count,
+#         })
+
+#     return {item["location_tag"]: item["avg_cost"] for item in data}
+
+
 async def get_oh_cost_summary(collector_db: CollectorDbSession, last_oh_date:datetime, upcoming_oh_date:datetime):
     query = text("""
-                 WITH part_costs AS (
-    SELECT 
-        mu.wonum,
-        SUM(mu.itemqty * COALESCE(inv.avgcost, po.unit_cost, 0)) AS parts_total_cost
-    FROM maximo_workorder_materials mu
-    LEFT JOIN maximo_inventory inv
-        ON mu.itemnum = inv.itemnum
-    LEFT JOIN (
-        SELECT item_num, AVG(unit_cost) AS unit_cost
-        FROM maximo_sparepart_pr_po_line
-        GROUP BY item_num
-    ) po
-        ON mu.itemnum = po.item_num
-    GROUP BY mu.wonum
-),
-wo_costs AS (
-    SELECT 
-        w.wonum,
-        w.asset_location,
-        (COALESCE(w.mat_cost_max, 0) + COALESCE(pc.parts_total_cost, 0)) AS total_wo_cost
-    FROM wo_staging_maximo_2 w
-    LEFT JOIN part_costs pc
-        ON w.wonum = pc.wonum
-    WHERE 
-        w.worktype = 'OH'
-        AND w.asset_system IN (
-            'HPB', 'AH', 'APC', 'SCR', 'CL', 'DM', 'CRH', 'ASH', 'BAD', 'DS', 'WTP',
-            'MT', 'SUP', 'DCS', 'FF', 'EG', 'AI', 'SPS', 'EVM', 'SCW', 'KLH', 'CH',
-            'TUR', 'LOT', 'HRH', 'ESP', 'CAE', 'GMC', 'BFT', 'LSH', 'CHB', 'BSS',
-            'LOS', 'LPB', 'SAC', 'CP', 'EHS', 'RO', 'GG', 'MS', 'CW', 'SO', 'ATT',
-            'AFG', 'EHB', 'RP', 'FO', 'PC', 'APE', 'AF', 'DMW', 'BRS', 'GEN', 'ABS',
-            'CHA', 'TR', 'H2', 'BDW', 'LOM', 'ACR', 'AL', 'FW', 'COND', 'CCCW', 'IA',
-            'GSS', 'BOL', 'SSB', 'CO', 'OA', 'CTH-UPD', 'AS', 'DP'
-        )
-        AND w.reportdate IS NOT NULL
-        AND w.actstart IS NOT NULL
-        AND w.actfinish IS NOT NULL
-        AND w.asset_unit IN ('3', '00')
-        AND w.reportdate >= '2015-01-01'
-        AND w.wonum NOT LIKE 'T%'
-)
-SELECT 
-    asset_location,
-    SUM(total_wo_cost)::numeric / COUNT(wonum) AS avg_cost
-FROM wo_costs
-GROUP BY asset_location
-ORDER BY COUNT(wonum) DESC;
-                 """)
+        part_costs AS (
+         SELECT 
+             wm.wonum,
+             SUM(wm.itemqty * COALESCE(wm.inv_avgcost, po.unit_cost, 0)) AS parts_total_cost
+         FROM public.wo_maxim_material wm
+         LEFT JOIN (
+             SELECT item_num, AVG(unit_cost) AS unit_cost
+             FROM public.maximo_sparepart_pr_po_line
+             GROUP BY item_num
+         ) po ON wm.itemnum = po.item_num
+         WHERE wm.itemnum IS NOT NULL
+         GROUP BY wm.wonum
+     ),
+            wo_costs AS (
+                SELECT 
+                    w.wonum,
+                    w.asset_location,
+                    (COALESCE(pc.parts_total_cost, 0)) AS total_wo_cost
+                FROM wo_staging_maximo_2 w
+                LEFT JOIN part_costs pc
+                    ON w.wonum = pc.wonum
+                WHERE 
+                    w.worktype = 'OH'
+                    AND w.asset_system IN (
+                        'HPB', 'AH', 'APC', 'SCR', 'CL', 'DM', 'CRH', 'ASH', 'BAD', 'DS', 'WTP',
+                        'MT', 'SUP', 'DCS', 'FF', 'EG', 'AI', 'SPS', 'EVM', 'SCW', 'KLH', 'CH',
+                        'TUR', 'LOT', 'HRH', 'ESP', 'CAE', 'GMC', 'BFT', 'LSH', 'CHB', 'BSS',
+                        'LOS', 'LPB', 'SAC', 'CP', 'EHS', 'RO', 'GG', 'MS', 'CW', 'SO', 'ATT',
+                        'AFG', 'EHB', 'RP', 'FO', 'PC', 'APE', 'AF', 'DMW', 'BRS', 'GEN', 'ABS',
+                        'CHA', 'TR', 'H2', 'BDW', 'LOM', 'ACR', 'AL', 'FW', 'COND', 'CCCW', 'IA',
+                        'GSS', 'BOL', 'SSB', 'CO', 'OA', 'CTH-UPD', 'AS', 'DP'
+                    )
+                    AND w.reportdate IS NOT NULL
+                    AND w.actstart IS NOT NULL
+                    AND w.actfinish IS NOT NULL
+                    AND w.asset_unit IN ('3', '00')
+                    AND w.reportdate >= '2019-01-01'
+                    AND w.wonum NOT LIKE 'T%'
+            )
+            SELECT 
+                asset_location,
+                AVG(total_wo_cost) as avg_cost
+            FROM wo_costs
+            GROUP BY asset_location
+            ORDER BY COUNT(wonum) DESC;
+                            """)
     
     result = await collector_db.execute(query)
     data = []

src/sparepart/schema.py

@@ -1,4 +1,6 @@
-from datetime import datetime
+from dataclasses import dataclass
+from datetime import date, datetime
+from enum import Enum
 from typing import Any, Dict, List, Optional
 from uuid import UUID
 
@@ -35,41 +37,41 @@ class ActivityMasterRead(ActivityMaster):
 class ActivityMasterPagination(Pagination):
     items: List[ActivityMasterRead] = []
 
-
-# {
-#     "overview": {
-#         "totalEquipment": 30,
-#         "nextSchedule": {
-#             "date": "2025-01-12",
-#             "Overhaul": "B",
-#             "equipmentCount": 30
-#         }
-#     },
-#     "criticalParts": [
-#         "Boiler feed pump",
-#         "Boiler reheater system",
-#         "Drum Level (Right) Root Valve A",
-#         "BCP A Discharge Valve",
-#         "BFPT A EXH Press HI Root VLV"
-#     ],
-#     "schedules": [
-#         {
-#             "date": "2025-01-12",
-#             "Overhaul": "B",
-#             "status": "upcoming"
-#         }
-#         // ... other scheduled overhauls
-#     ],
-#     "systemComponents": {
-#         "boiler": {
-#             "status": "operational",
-#             "lastOverhaul": "2024-06-15"
-#         },
-#         "turbine": {
-#             "hpt": { "status": "operational" },
-#             "ipt": { "status": "operational" },
-#             "lpt": { "status": "operational" }
-#         }
-#         // ... other major components
-#     }
-# }
+class ProcurementStatus(Enum):
+    PLANNED = "planned"
+    ORDERED = "ordered"
+    RECEIVED = "received"
+    CANCELLED = "cancelled"
+
+@dataclass
+class SparepartRequirement:
+    """Sparepart requirement for equipment overhaul"""
+    sparepart_id: str
+    quantity_required: int
+    lead_time: int
+    sparepart_name: str
+    unit_cost: float
+    avg_cost: float
+
+@dataclass
+class SparepartStock:
+    """Current sparepart stock information"""
+    sparepart_id: str
+    sparepart_name: str
+    current_stock: int
+    unit_cost: float
+    location: str
+
+@dataclass
+class ProcurementRecord:
+    """Purchase Order/Purchase Request record"""
+    po_pr_id: str
+    sparepart_id: str
+    sparepart_name: str
+    quantity: int
+    unit_cost: float
+    total_cost: float
+    order_date: date
+    expected_delivery_date: date
+    status: ProcurementStatus
+    po_vendor_delivery_date: date

src/sparepart/service.py

@@ -19,6 +19,7 @@ from src.logging import setup_logging
 from src.overhaul_activity.service import get_standard_scope_by_session_id
 from src.overhaul_scope.service import get as get_scope, get_overview_overhaul
 from src.overhaul_scope.service import get_prev_oh
+from src.sparepart.schema import ProcurementRecord, ProcurementStatus, SparepartRequirement, SparepartStock
 
 
 log = logging.getLogger(__name__)
@@ -27,6 +28,177 @@ setup_logging(logger=log)
 from sqlalchemy import text
 import math
 
+from sqlalchemy import text
+
+# async def get_spareparts_paginated(
+#     *,
+#     db_session,
+#     collector_db_session,
+# ):
+#     """
+#     Get spare parts for work orders under specific parent WO(s),
+#     including inventory and PR/PO data.
+#     """
+
+#     # Normalize parent_num to array for SQL ANY()
+#     # parent_nums = parent_num if isinstance(parent_num, (list, tuple)) else [parent_num]
+#     parent_nums = []
+
+#     data_query = text("""
+#         WITH selected_wo AS (
+#             SELECT 
+#                 wonum,
+#                 xx_parent,
+#                 location_tag,
+#                 assetnum,
+#                 siteid,
+#                 reportdate
+#             FROM public.wo_maxim
+#             WHERE xx_parent = ANY(:parent_nums)
+#         ),
+#         wo_materials AS (
+#             SELECT 
+#                 wm.wonum,
+#                 wm.itemnum,
+#                 wm.itemqty,
+#                 wm.inv_itemnum,
+#                 wm.inv_location,
+#                 wm.inv_curbaltotal,
+#                 wm.inv_avgcost,
+#                 sw.location_tag
+#             FROM public.wo_maxim_material wm
+#             JOIN selected_wo sw ON wm.wonum = sw.wonum
+#         ),
+#         -- PR Lines
+#         pr_lines AS (
+#             SELECT 
+#                 pl.item_num,
+#                 h.num AS pr_number,
+#                 h.issue_date AS pr_issue_date,
+#                 h.status AS pr_status,
+#                 pl.qty_ordered AS pr_qty_ordered,
+#                 pl.qty_requested AS pr_qty_requested
+#             FROM public.maximo_sparepart_pr_po h
+#             JOIN public.maximo_sparepart_pr_po_line pl 
+#                 ON h.num = pl.num
+#             WHERE h.type = 'PR'
+#             AND EXTRACT(YEAR FROM h.issue_date) >= 2019
+#         ),
+#         -- PO Lines
+#         po_lines AS (
+#             SELECT 
+#                 pl.item_num,
+#                 h.num AS po_number,
+#                 h.estimated_arrival_date AS po_estimated_arrival_date,
+#                 h.vendeliverydate AS po_vendeliverydate,
+#                 h.receipts AS po_receipt,
+#                 h.status AS po_status,
+#                 pl.qty_ordered AS po_qty_ordered,
+#                 pl.qty_received AS po_qty_received
+#             FROM public.maximo_sparepart_pr_po h
+#             JOIN public.maximo_sparepart_pr_po_line pl 
+#                 ON h.num = pl.num
+#             WHERE h.type = 'PO'
+#             AND (h.receipts = 'NONE')
+#             AND (h.status IS NOT NULL)
+#         ),
+#         -- Item Descriptions
+#         item_descriptions AS (
+#             SELECT DISTINCT 
+#                 item_num,
+#                 FIRST_VALUE(description) OVER (
+#                     PARTITION BY item_num 
+#                     ORDER BY created_at DESC NULLS LAST
+#                 ) AS description
+#             FROM public.maximo_sparepart_pr_po_line
+#             WHERE description IS NOT NULL
+#         ),
+#         -- Unified PR/PO data
+#         pr_po_unified AS (
+#             SELECT 
+#                 pr.item_num,
+#                 pr.pr_number,
+#                 pr.pr_issue_date,
+#                 pr.pr_qty_ordered,
+#                 pr.pr_status,
+#                 po.po_number,
+#                 COALESCE(po.po_qty_ordered, 0) AS po_qty_ordered,
+#                 COALESCE(po.po_qty_received, 0) AS po_qty_received,
+#                 po.po_estimated_arrival_date,
+#                 po.po_vendeliverydate,
+#                 po.po_receipt,
+#                 po.po_status,
+#                 CASE WHEN po.po_number IS NOT NULL THEN 'YES' ELSE 'NO' END AS po_exists
+#             FROM pr_lines pr
+#             LEFT JOIN po_lines po 
+#                 ON pr.item_num = po.item_num 
+#                 AND pr.pr_number = po.po_number
+#         ),
+#         -- Aggregate PR/PO info
+#         pr_po_agg AS (
+#             SELECT 
+#                 item_num,
+#                 SUM(COALESCE(pr_qty_ordered, 0)) AS total_pr_qty,
+#                 SUM(COALESCE(po_qty_ordered, 0)) AS total_po_qty,
+#                 SUM(COALESCE(po_qty_received, 0)) AS total_po_received,
+#                 JSON_AGG(
+#                     JSON_BUILD_OBJECT(
+#                         'pr_number', pr_number,
+#                         'pr_issue_date', pr_issue_date,
+#                         'pr_qty_requested', pr_qty_ordered,
+#                         'pr_status', pr_status,
+#                         'po_exists', po_exists,
+#                         'po_qty_ordered', po_qty_ordered,
+#                         'po_qty_received', po_qty_received,
+#                         'po_estimated_arrival_date', po_estimated_arrival_date,
+#                         'po_vendeliverydate', po_vendeliverydate,
+#                         'po_receipt', po_receipt,
+#                         'po_status', po_status
+#                     )
+#                     ORDER BY pr_issue_date DESC
+#                 ) AS pr_po_details
+#             FROM pr_po_unified
+#             GROUP BY item_num
+#         )
+
+#         SELECT 
+#             wm.itemnum,
+#             COALESCE(id.description, 'No description available') AS item_description,
+#             SUM(wm.itemqty) AS total_required_for_oh,
+#             COALESCE(MAX(wm.inv_curbaltotal), 0) AS current_balance_total,
+#             COALESCE(ap.total_pr_qty, 0) AS total_pr_qty,
+#             COALESCE(ap.total_po_qty, 0) AS total_po_qty,
+#             COALESCE(ap.total_po_received, 0) AS total_po_received,
+#             ap.pr_po_details
+#         FROM wo_materials wm
+#         LEFT JOIN item_descriptions id 
+#             ON wm.itemnum = id.item_num
+#         LEFT JOIN pr_po_agg ap 
+#             ON wm.itemnum = ap.item_num
+#         GROUP BY 
+#             wm.itemnum, id.description, 
+#             ap.total_pr_qty, ap.total_po_qty, ap.total_po_received, ap.pr_po_details
+#         ORDER BY wm.itemnum;
+#     """)
+
+#     rows = await collector_db_session.execute(data_query, {"parent_nums": parent_nums})
+
+#     spare_parts = []
+#     for row in rows:
+#         spare_parts.append({
+#             "item_num": row.itemnum,
+#             "description": row.item_description,
+#             "current_balance_total": float(row.current_balance_total or 0.0),
+#             "total_required_for_oh": float(row.total_required_for_oh or 0.0),
+#             "total_pr_qty": row.total_pr_qty,
+#             "total_po_qty": row.total_po_qty,
+#             "total_po_received": row.total_po_received,
+#             "pr_po_details": row.pr_po_details,
+#         })
+
+#     return spare_parts
+
+
 async def get_spareparts_paginated(*, db_session, collector_db_session):
     """
     Get paginated spare parts with usage, inventory, and PR/PO information.
@@ -52,22 +224,29 @@ async def get_spareparts_paginated(*, db_session, collector_db_session):
           AND asset_location IS NOT NULL
           AND EXTRACT(YEAR FROM reportdate) >= 2019
           AND asset_unit IN ('3', '00')
-          AND asset_location = ANY(:asset_locations)
-    ),
-    sparepart_usage AS (
-        SELECT oh.asset_location, mwm.itemnum, mwm.itemqty, mwm.wonum
-        FROM oh_workorders oh
-        INNER JOIN public.maximo_workorder_materials mwm ON oh.wonum = mwm.wonum
     ),
+         wo_materials AS (
+             SELECT 
+                 wm.wonum,
+                 wm.itemnum,
+                 wm.itemqty,
+                 wm.inv_itemnum,
+                 wm.inv_location,
+                 wm.inv_curbaltotal,
+                 wm.inv_avgcost,
+                 sw.asset_location as location_tag
+             FROM public.wo_maxim_material wm
+             JOIN oh_workorders sw ON wm.wonum = sw.wonum
+         ),
     location_sparepart_stats AS (
-        SELECT asset_location, itemnum,
+        SELECT location_tag, itemnum,
                COUNT(DISTINCT wonum) as total_wo_count,
                SUM(itemqty) as total_qty_used,
                AVG(itemqty) as avg_qty_per_wo,
                MIN(itemqty) as min_qty_used,
                MAX(itemqty) as max_qty_used
-        FROM sparepart_usage
-        GROUP BY asset_location, itemnum
+        FROM wo_materials
+        GROUP BY location_tag, itemnum
         HAVING SUM(itemqty) > 0
     ),
     pr_lines AS (
@@ -160,16 +339,16 @@ async def get_spareparts_paginated(*, db_session, collector_db_session):
         ROUND(CAST(lss.avg_qty_per_wo AS NUMERIC), 2) as avg_qty_per_wo,
         lss.min_qty_used,
         lss.max_qty_used,
-        COALESCE(i.curbaltotal,0) as current_balance_total,
+        COALESCE(i.inv_curbaltotal,0) as current_balance_total,
         COALESCE(ap.total_pr_qty,0) as total_pr_qty,
         COALESCE(ap.total_po_qty,0) as total_po_qty,
         COALESCE(ap.total_po_received,0) as total_po_received,
         ap.pr_po_details
     FROM location_sparepart_stats lss
     LEFT JOIN item_descriptions id ON lss.itemnum = id.item_num
-    LEFT JOIN public.maximo_inventory i ON lss.itemnum = i.itemnum
+    LEFT JOIN wo_materials i ON lss.itemnum = i.itemnum
     LEFT JOIN pr_po_agg ap ON lss.itemnum = ap.item_num
-    ORDER BY lss.asset_location, lss.itemnum
+    ORDER BY lss.location_tag, lss.itemnum
     """)
     
     overhaul = await get_overview_overhaul(db_session=db_session)
@@ -198,85 +377,6 @@ async def get_spareparts_paginated(*, db_session, collector_db_session):
         
     return spare_parts
 
-    # # -----------------------------
-    # # Query #2: Count total rows
-    # # -----------------------------
-    # count_query = text("""
-    # WITH oh_workorders AS (
-    #     SELECT DISTINCT wonum, asset_location, asset_unit
-    #     FROM public.wo_staging_maximo_2
-    #     WHERE worktype = 'OH'
-    #       AND asset_location IS NOT NULL
-    #       AND EXTRACT(YEAR FROM reportdate) >= 2019
-    #       AND asset_unit IN ('3', '00')
-    # ),
-    # sparepart_usage AS (
-    #     SELECT oh.asset_location, mwm.itemnum, mwm.itemqty, mwm.wonum
-    #     FROM oh_workorders oh
-    #     INNER JOIN public.maximo_workorder_materials mwm ON oh.wonum = mwm.wonum
-    # ),
-    # location_sparepart_stats AS (
-    #     SELECT asset_location, itemnum
-    #     FROM sparepart_usage
-    #     GROUP BY asset_location, itemnum
-    # )
-    # SELECT COUNT(*) as total_count
-    # FROM location_sparepart_stats;
-    # """)
-
-    # total_count_result = await db_session.execute(count_query)
-    # total_count = total_count_result.scalar() or 0
-
-    # # calculate total pages
-    # total_pages = math.ceil(total_count / items_per_page) if items_per_page > 0 else 1
-
-    # return {
-    #     "total": total_count,
-    #     "page": page,
-    #     "items_per_page": items_per_page,
-    #     "total_pages": total_pages,
-    #     "items": spare_parts
-    # }
-
-
-class ProcurementStatus(Enum):
-    PLANNED = "planned"
-    ORDERED = "ordered"
-    RECEIVED = "received"
-    CANCELLED = "cancelled"
-
-@dataclass
-class SparepartRequirement:
-    """Sparepart requirement for equipment overhaul"""
-    sparepart_id: str
-    quantity_required: int
-    lead_time: int
-    sparepart_name: str
-    unit_cost: float
-    avg_cost: float
-
-@dataclass
-class SparepartStock:
-    """Current sparepart stock information"""
-    sparepart_id: str
-    sparepart_name: str
-    current_stock: int
-    unit_cost: float
-    location: str
-
-@dataclass
-class ProcurementRecord:
-    """Purchase Order/Purchase Request record"""
-    po_pr_id: str
-    sparepart_id: str
-    sparepart_name: str
-    quantity: int
-    unit_cost: float
-    total_cost: float
-    order_date: date
-    expected_delivery_date: date
-    status: ProcurementStatus
-    po_vendor_delivery_date: date
 
 class SparepartManager:
     """Manages sparepart availability and procurement for overhaul optimization"""
@@ -800,19 +900,19 @@ async def load_sparepart_data_from_db(scope, prev_oh_scope, db_session, analysis
     
     # Load sparepart stocks
     # Example query - adjust based on your schema
-    query = text("""
-                 SELECT 
-                    mi.id,
-                    mi.itemnum,
-                    mi.itemsetid,
-                    mi."location",
-                    mi.curbaltotal,
-                    mi.avgcost,
-                    mspl.description
-                FROM public.maximo_inventory mi
-                LEFT JOIN public.maximo_sparepart_pr_po_line mspl 
-                    ON mi.itemnum = mspl.item_num
-                 """)
+    query = text("""SELECT 
+            wm.inv_itemnum AS itemnum,
+            wm.inv_itemsetid AS itemsetid,
+            wm.inv_location AS location,
+            MAX(wm.inv_curbaltotal) AS curbaltotal,
+            AVG(wm.inv_avgcost) AS avgcost,
+            COALESCE(mspl.description, 'No description available') AS description
+        FROM public.wo_maxim_material wm
+        LEFT JOIN public.maximo_sparepart_pr_po_line mspl 
+            ON wm.inv_itemnum = mspl.item_num
+        WHERE wm.inv_itemnum IS NOT NULL
+        GROUP BY wm.inv_itemnum, wm.inv_itemsetid, wm.inv_location, mspl.description
+    """)
     log.info("Fetch sparepart")
     sparepart_stocks_query = await db_session.execute(query)
     
@@ -826,7 +926,161 @@ async def load_sparepart_data_from_db(scope, prev_oh_scope, db_session, analysis
         )
         sparepart_manager.add_sparepart_stock(stock)
     
-    # Load equipment sparepart requirements
+    # parent_nums = []
+
+    # query = text("""
+    # WITH target_wo AS (
+    #     -- Work orders from the given parent(s)
+    #     SELECT 
+    #         wonum,
+    #         xx_parent,
+    #         location_tag AS asset_location
+    #     FROM public.wo_maxim
+    #     WHERE xx_parent = ANY(:parent_nums)
+    # ),
+    # target_materials AS (
+    #     -- Materials directly linked to target WOs (new requirement data)
+    #     SELECT 
+    #         tw.asset_location,
+    #         wm.itemnum,
+    #         wm.inv_avgcost
+    #         SUM(wm.itemqty) AS total_qty_required
+    #     FROM public.wo_maxim_material wm
+    #     JOIN target_wo tw ON wm.wonum = tw.wonum
+    #     WHERE wm.itemnum IS NOT NULL
+    #     GROUP BY tw.asset_location, wm.itemnum
+    # ),
+
+    # -- Historical OH work orders (for lead time reference)
+    # oh_workorders AS (
+    #     SELECT DISTINCT
+    #         wonum,
+    #         asset_location
+    #     FROM public.wo_staging_maximo_2
+    #     WHERE worktype = 'OH'
+    #       AND asset_location IS NOT NULL
+    #       AND asset_unit IN ('3', '00')
+    # ),
+    # sparepart_usage AS (
+    #     SELECT 
+    #         oh.asset_location,
+    #         mwm.itemnum,
+    #         mwm.itemqty,
+    #         mwm.wonum
+    #     FROM oh_workorders oh
+    #     INNER JOIN public.wo_maxim_material mwm 
+    #         ON oh.wonum = mwm.wonum
+    # ),
+    # location_sparepart_stats AS (
+    #     SELECT 
+    #         asset_location,
+    #         itemnum,
+    #         COUNT(DISTINCT wonum) as total_wo_count,
+    #         SUM(itemqty) as total_qty_used,
+    #         AVG(itemqty) as avg_qty_per_wo
+    #     FROM sparepart_usage
+    #     GROUP BY asset_location, itemnum
+    # ),
+
+    # pr_po_combined AS (
+    #     SELECT 
+    #         mspl.item_num,
+    #         mspl.num,
+    #         mspl.unit_cost,
+    #         mspl.qty_ordered,
+    #         MAX(CASE WHEN mspo.type = 'PR' THEN mspo.issue_date END) as issue_date,
+    #         MAX(CASE WHEN mspo.type = 'PO' THEN mspo.vendeliverydate END) as vendeliverydate,
+    #         MAX(CASE WHEN mspo.type = 'PO' THEN mspo.estimated_arrival_date END) as estimated_arrival_date
+    #     FROM public.maximo_sparepart_pr_po_line mspl
+    #     INNER JOIN public.maximo_sparepart_pr_po mspo 
+    #         ON mspl.num = mspo.num
+    #     WHERE mspo.type IN ('PR', 'PO')
+    #     GROUP BY mspl.item_num, mspl.num, mspl.unit_cost, mspl.qty_ordered
+    # ),
+    # leadtime_stats AS (
+    #     SELECT 
+    #         item_num,
+    #         ROUND(CAST(AVG(
+    #             EXTRACT(EPOCH FROM (
+    #                 COALESCE(vendeliverydate, estimated_arrival_date) - issue_date
+    #             )) / 86400 / 30.44
+    #         ) AS NUMERIC), 1) as avg_leadtime_months,
+    #         ROUND(CAST(MIN(
+    #             EXTRACT(EPOCH FROM (
+    #                 COALESCE(vendeliverydate, estimated_arrival_date) - issue_date
+    #             )) / 86400 / 30.44
+    #         ) AS NUMERIC), 1) as min_leadtime_months,
+    #         ROUND(CAST(MAX(
+    #             EXTRACT(EPOCH FROM (
+    #                 COALESCE(vendeliverydate, estimated_arrival_date) - issue_date
+    #             )) / 86400 / 30.44
+    #         ) AS NUMERIC), 1) as max_leadtime_months,
+    #         COUNT(*) as leadtime_sample_size,
+    #         COUNT(CASE WHEN vendeliverydate IS NOT NULL THEN 1 END) as vendelivery_count,
+    #         COUNT(CASE WHEN vendeliverydate IS NULL AND estimated_arrival_date IS NOT NULL THEN 1 END) as estimated_only_count
+    #     FROM pr_po_combined
+    #     WHERE issue_date IS NOT NULL 
+    #         AND COALESCE(vendeliverydate, estimated_arrival_date) IS NOT NULL
+    #         AND COALESCE(vendeliverydate, estimated_arrival_date) > issue_date
+    #     GROUP BY item_num
+    # ),
+    # cost_stats AS (
+    #     SELECT 
+    #         item_num,
+    #         ROUND(CAST(AVG(unit_cost) AS NUMERIC), 2) as avg_unit_cost,
+    #         ROUND(CAST(MIN(unit_cost) AS NUMERIC), 2) as min_unit_cost,
+    #         ROUND(CAST(MAX(unit_cost) AS NUMERIC), 2) as max_unit_cost,
+    #         COUNT(*) as cost_sample_size,
+    #         ROUND(CAST(AVG(unit_cost * qty_ordered) AS NUMERIC), 2) as avg_order_value,
+    #         ROUND(CAST(SUM(unit_cost * qty_ordered) AS NUMERIC), 2) as total_value_ordered
+    #     FROM pr_po_combined
+    #     WHERE unit_cost IS NOT NULL AND unit_cost > 0
+    #     GROUP BY item_num
+    # ),
+    # item_descriptions AS (
+    #     SELECT DISTINCT
+    #         item_num,
+    #         FIRST_VALUE(description) OVER (
+    #             PARTITION BY item_num 
+    #             ORDER BY created_at DESC NULLS LAST
+    #         ) as description
+    #     FROM public.maximo_sparepart_pr_po_line
+    #     WHERE description IS NOT NULL
+    # )
+    # SELECT 
+    #     tr.asset_location,
+    #     tr.itemnum,
+    #     COALESCE(id.description, 'No description available') as item_description,
+    #     tr.total_qty_required AS total_required_for_oh,
+    #     tr.inv_avgcost,
+    #     COALESCE(lt.avg_leadtime_months, 0) as avg_leadtime_months,
+    #     COALESCE(cs.avg_unit_cost, 0) as avg_unit_cost,
+    #     ROUND(CAST(COALESCE(tr.total_qty_required * cs.avg_unit_cost, 0) AS NUMERIC), 2) as estimated_cost_for_oh
+    # FROM target_materials tr
+    # LEFT JOIN item_descriptions id ON tr.itemnum = id.item_num
+    # LEFT JOIN leadtime_stats lt ON tr.itemnum = lt.item_num
+    # LEFT JOIN cost_stats cs ON tr.itemnum = cs.item_num
+    # ORDER BY tr.asset_location, tr.itemnum;
+    # """)
+
+    # equipment_requirements_query = await db_session.execute(query, {"parent_nums": parent_nums})
+
+    # equipment_requirements = defaultdict(list)
+    # for req_record in equipment_requirements_query:
+    #     requirement = SparepartRequirement(
+    #         sparepart_id=req_record.itemnum,
+    #         quantity_required=float(req_record.total_required_for_oh or 0.0),
+    #         lead_time=float(req_record.avg_leadtime_months or 0.0),
+    #         sparepart_name=req_record.item_description,
+    #         unit_cost=float(req_record.avg_unit_cost or 0.0),
+    #         avg_cost=float(req_record.inv_avgcost or 0.0),
+    #     )
+    #     equipment_requirements[req_record.asset_location].append(requirement)
+
+    # for equipment_tag, requirements in equipment_requirements.items():
+    #     sparepart_manager.add_equipment_requirements(equipment_tag, requirements)
+    
+     # Load equipment sparepart requirements
     # You'll need to create this table/relationship
     query = text("""WITH oh_workorders AS (
     -- First, get all OH work orders
@@ -834,19 +1088,19 @@ async def load_sparepart_data_from_db(scope, prev_oh_scope, db_session, analysis
         wonum,
         asset_location
     FROM public.wo_staging_maximo_2
-    WHERE worktype = 'OH' AND asset_location IS NOT NULL and asset_unit IN ('3', '00')
-),
-sparepart_usage AS (
-    -- Get sparepart usage for OH work orders
-    SELECT 
-        oh.asset_location,
-        mwm.itemnum,
-        mwm.itemqty,
-        mwm.wonum
-    FROM oh_workorders oh
-    INNER JOIN public.maximo_workorder_materials mwm 
-        ON oh.wonum = mwm.wonum
+    WHERE worktype = 'OH' AND asset_location IS NOT NULL and asset_unit IN ('3', '00') AND EXTRACT(YEAR FROM reportdate) >= 2019
 ),
+  sparepart_usage AS (
+         SELECT 
+             oh.asset_location,
+             mwm.itemnum,
+             mwm.itemqty,
+             mwm.wonum,
+             mwm.inv_avgcost
+         FROM oh_workorders oh
+         INNER JOIN public.wo_maxim_material mwm 
+             ON oh.wonum = mwm.wonum
+     ),
 location_sparepart_stats AS (
     -- Calculate average usage per sparepart per location
     SELECT 
@@ -947,7 +1201,7 @@ SELECT
     ROUND(CAST(lss.avg_qty_per_wo AS NUMERIC), 2) as avg_qty_per_wo,
     lss.min_qty_used,
     lss.max_qty_used,
-    iin.avgcost,
+    iin.inv_avgcost,
     -- Lead time metrics
     COALESCE(lt.avg_leadtime_months, 0) as avg_leadtime_months,
     COALESCE(lt.min_leadtime_months, 0) as min_leadtime_months,
@@ -968,7 +1222,7 @@ FROM location_sparepart_stats lss
 LEFT JOIN item_descriptions id ON lss.itemnum = id.item_num
 LEFT JOIN leadtime_stats lt ON lss.itemnum = lt.item_num
 LEFT JOIN cost_stats cs ON lss.itemnum = cs.item_num
-LEFT JOIN item_inventory iin ON lss.itemnum = iin.itemnum
+LEFT JOIN sparepart_usage iin ON lss.itemnum = iin.itemnum
 ORDER BY lss.asset_location, lss.itemnum;""")
     
     equipment_requirements_query = await db_session.execute(query)
@@ -1024,13 +1278,22 @@ po_with_pr_date AS (
     INNER JOIN public.maximo_sparepart_pr_po pr 
         ON pr.num = po.po_number 
         AND pr.type = 'PR'
+),
+WITH item_inventory AS (
+    SELECT 
+        itemnum,
+        MAX(inv_curbaltotal) AS current_balance_total,
+        AVG(inv_avgcost) AS avg_cost
+    FROM public.wo_maxim_material
+    WHERE inv_itemnum IS NOT NULL
+    GROUP BY itemnum
 )
 SELECT 
     po.item_num,
     po.description,
     po.line_cost,
     po.unit_cost,
-    COALESCE(i.curbaltotal, 0) as current_balance_total,
+    COALESCE(i.current_balance_total, 0) as current_balance_total,
     po.po_number,
     po.pr_issue_date,
     po.po_status,
@@ -1040,7 +1303,7 @@ SELECT
     po.estimated_arrival_date as po_estimated_arrival_date,
     po.vendeliverydate as po_vendor_delivery_date
 FROM po_with_pr_date po
-LEFT JOIN public.maximo_inventory i 
+LEFT JOIN item_inventory i 
     ON po.item_num = i.itemnum
 ORDER BY po.item_num, po.pr_issue_date DESC;
 """)