feat: fix all data relationships + PPA reference numbers

- fix_issue_owners.py: 53K Issues linked to creator (owner) + 55K to assignee (_assign)
- fix_issue_cust2.py: 47K Issues linked to Customer via legacy_account_id
- fix_sub_address.py: 21K Subscriptions linked to service Address
- customer_pos_id set to legacy PPA reference (15-digit bank number) on all 6,667 Customers
- Subscription custom fields: service_address (Link→Address), service_location (Link→Service Location)
- Fiscal Year 2025-2026 created (Jul 1 2025 → Jun 30 2026)

Relationships now complete:
  Customer → Address (N) → Subscription (N) → Item (plan + speeds)
  Customer → Contact (N) → email/phone
  Customer → Issue (N) → parent_incident → child Issues
  Issue → owner (User who created) + _assign (User responsible)
  Subscription → service_address → specific installation address
  Customer.customer_pos_id = PPA bank reference number

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/migration/fix_issue_cust2.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+"""Fix Issue.customer via legacy ticket.account_id → Customer.legacy_account_id."""
+import pymysql
+import psycopg2
+
+LEGACY = {"host": "10.100.80.100", "user": "facturation", "password": "VD67owoj",
+          "database": "gestionclient", "connect_timeout": 30, "read_timeout": 300}
+PG = {"host": "db", "port": 5432, "user": "postgres", "password": "123",
+      "dbname": "_eb65bdc0c4b1b2d6"}
+
+def log(msg):
+    print(msg, flush=True)
+
+def main():
+    log("=== Fix Issue → Customer via legacy_account_id ===")
+
+    # Get ticket → account_id mapping
+    mc = pymysql.connect(**LEGACY)
+    cur = mc.cursor(pymysql.cursors.DictCursor)
+    cur.execute("SELECT id, account_id FROM ticket WHERE account_id > 0")
+    ticket_acct = {r["id"]: r["account_id"] for r in cur.fetchall()}
+    mc.close()
+    log("  {} tickets with account_id".format(len(ticket_acct)))
+
+    pg = psycopg2.connect(**PG)
+    pgc = pg.cursor()
+
+    # Customer lookup
+    pgc.execute('SELECT legacy_account_id, name, customer_name FROM "tabCustomer" WHERE legacy_account_id > 0')
+    cust_map = {r[0]: (r[1], r[2]) for r in pgc.fetchall()}
+
+    # Issues needing fix
+    pgc.execute("""SELECT name, legacy_ticket_id FROM "tabIssue"
+                   WHERE legacy_ticket_id > 0
+                   AND (customer IS NULL OR customer = '' OR customer NOT LIKE 'CUST-%')""")
+    issues = pgc.fetchall()
+    log("  {} issues to fix".format(len(issues)))
+
+    updated = 0
+    for i, (issue_name, legacy_tid) in enumerate(issues):
+        acct_id = ticket_acct.get(legacy_tid)
+        if not acct_id:
+            continue
+        cust_data = cust_map.get(acct_id)
+        if not cust_data:
+            continue
+
+        cust_name, cust_display = cust_data
+        pgc.execute('UPDATE "tabIssue" SET customer = %s, customer_name = %s WHERE name = %s',
+                     (cust_name, cust_display, issue_name))
+        updated += 1
+
+        if updated % 5000 == 0:
+            pg.commit()
+            log("  updated={}".format(updated))
+
+    pg.commit()
+    pg.close()
+    log("\nIssues linked to Customer: {}".format(updated))
+
+if __name__ == "__main__":
+    main()

scripts/migration/fix_issue_owners.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+"""
+Fix Issue owner + _assign from legacy ticket.open_by / assign_to → ERPNext User email.
+Direct PG. Detached.
+"""
+import pymysql
+import psycopg2
+import json
+
+LEGACY = {"host": "10.100.80.100", "user": "facturation", "password": "VD67owoj",
+          "database": "gestionclient", "connect_timeout": 30, "read_timeout": 300}
+PG = {"host": "db", "port": 5432, "user": "postgres", "password": "123",
+      "dbname": "_eb65bdc0c4b1b2d6"}
+
+def log(msg):
+    print(msg, flush=True)
+
+def main():
+    log("=== Fix Issue Owners + Assignees ===")
+
+    # Staff ID → email
+    mc = pymysql.connect(**LEGACY)
+    cur = mc.cursor(pymysql.cursors.DictCursor)
+    cur.execute("SELECT id, email FROM staff WHERE email IS NOT NULL AND email != ''")
+    staff_email = {r["id"]: r["email"] for r in cur.fetchall()}
+
+    # ticket → open_by, assign_to
+    cur.execute("SELECT id, open_by, assign_to FROM ticket ORDER BY id")
+    tickets = cur.fetchall()
+    mc.close()
+    log("  {} tickets, {} staff with email".format(len(tickets), len(staff_email)))
+
+    pg = psycopg2.connect(**PG)
+    pgc = pg.cursor()
+
+    # ERPNext users (verify they exist)
+    pgc.execute('SELECT name FROM "tabUser" WHERE enabled = 1')
+    valid_users = set(r[0] for r in pgc.fetchall())
+
+    # Issue legacy_ticket_id → name
+    pgc.execute('SELECT legacy_ticket_id, name FROM "tabIssue" WHERE legacy_ticket_id > 0')
+    issue_map = {r[0]: r[1] for r in pgc.fetchall()}
+    log("  {} issues mapped".format(len(issue_map)))
+
+    updated_owner = 0
+    updated_assign = 0
+
+    for i, t in enumerate(tickets):
+        issue_name = issue_map.get(t["id"])
+        if not issue_name:
+            continue
+
+        sets = []
+        vals = []
+
+        # Owner (who created)
+        open_email = staff_email.get(t.get("open_by"))
+        if open_email and open_email in valid_users:
+            sets.append('owner = %s')
+            vals.append(open_email)
+            updated_owner += 1
+
+        # Assign (who's responsible)
+        assign_email = staff_email.get(t.get("assign_to"))
+        if assign_email and assign_email in valid_users:
+            assign_json = json.dumps([assign_email])
+            sets.append('"_assign" = %s')
+            vals.append(assign_json)
+            updated_assign += 1
+
+        if sets:
+            vals.append(issue_name)
+            pgc.execute('UPDATE "tabIssue" SET {} WHERE name = %s'.format(", ".join(sets)), vals)
+
+        if (i + 1) % 5000 == 0:
+            pg.commit()
+            log("  [{}/{}] owner={} assign={}".format(i+1, len(tickets), updated_owner, updated_assign))
+
+    pg.commit()
+    pg.close()
+
+    log("")
+    log("=" * 50)
+    log("Owner updated:  {}".format(updated_owner))
+    log("Assign updated: {}".format(updated_assign))
+    log("=" * 50)
+
+if __name__ == "__main__":
+    main()

scripts/migration/fix_sub_address.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python3
+"""Link Subscription → Address via legacy service.delivery_id → delivery → Address."""
+import pymysql
+import psycopg2
+
+LEGACY = {"host": "10.100.80.100", "user": "facturation", "password": "VD67owoj",
+          "database": "gestionclient", "connect_timeout": 30, "read_timeout": 300}
+PG = {"host": "db", "port": 5432, "user": "postgres", "password": "123",
+      "dbname": "_eb65bdc0c4b1b2d6"}
+
+def log(msg):
+    print(msg, flush=True)
+
+def main():
+    log("=== Link Subscriptions → Addresses ===")
+
+    # Legacy: service → delivery_id, delivery → account_id + address
+    mc = pymysql.connect(**LEGACY)
+    cur = mc.cursor(pymysql.cursors.DictCursor)
+    cur.execute("""
+        SELECT s.id as service_id, s.delivery_id, d.account_id, d.address1, d.city
+        FROM service s
+        JOIN delivery d ON s.delivery_id = d.id
+        WHERE s.status = 1
+    """)
+    svc_delivery = {r["service_id"]: r for r in cur.fetchall()}
+    mc.close()
+    log("  {} active services with delivery".format(len(svc_delivery)))
+
+    pg = psycopg2.connect(**PG)
+    pgc = pg.cursor()
+
+    # Subscription legacy_service_id → name
+    pgc.execute('SELECT legacy_service_id, name FROM "tabSubscription" WHERE legacy_service_id > 0')
+    sub_map = {r[0]: r[1] for r in pgc.fetchall()}
+
+    # Address lookup: find address by customer + address_line1 match
+    # Build: (customer_name, address_line1) → address.name
+    pgc.execute("""
+        SELECT a.name, a.address_line1, a.city, dl.link_name as customer
+        FROM "tabAddress" a
+        JOIN "tabDynamic Link" dl ON dl.parent = a.name AND dl.parenttype = 'Address' AND dl.link_doctype = 'Customer'
+    """)
+    # Group by customer
+    addr_by_cust = {}
+    for name, addr1, city, cust in pgc.fetchall():
+        addr_by_cust.setdefault(cust, []).append((name, addr1 or "", city or ""))
+
+    # Customer legacy_account_id → name
+    pgc.execute('SELECT legacy_account_id, name FROM "tabCustomer" WHERE legacy_account_id > 0')
+    cust_map = {r[0]: r[1] for r in pgc.fetchall()}
+
+    updated = 0
+    for svc_id, sub_name in sub_map.items():
+        info = svc_delivery.get(svc_id)
+        if not info:
+            continue
+
+        cust_name = cust_map.get(info["account_id"])
+        if not cust_name:
+            continue
+
+        # Find best matching address for this customer
+        addrs = addr_by_cust.get(cust_name, [])
+        if not addrs:
+            continue
+
+        # Try exact match on address1
+        legacy_addr = (info.get("address1") or "").strip().lower()
+        best = addrs[0][0]  # default to first address
+        for aname, a1, acity in addrs:
+            if legacy_addr and legacy_addr in a1.lower():
+                best = aname
+                break
+
+        pgc.execute('UPDATE "tabSubscription" SET service_address = %s WHERE name = %s AND (service_address IS NULL OR service_address = %s)',
+                     (best, sub_name, ''))
+        if pgc.rowcount > 0:
+            updated += 1
+
+        if updated % 2000 == 0 and updated > 0:
+            pg.commit()
+            log("  updated={}".format(updated))
+
+    pg.commit()
+    pg.close()
+    log("\nSubscriptions linked to Address: {}".format(updated))
+
+if __name__ == "__main__":
+    main()