Add entity customer numbers and scope APIs via selected company.

Entity gets an optional unique-per-company number with allocate/peek/isNumberFree helpers. Company-scoped store methods no longer take companyId and resolve google_auth.selected_company instead.

src/sql/entity.js

@@ -6,6 +6,7 @@ export const ENTITY_COLUMNS = `
     e.customergroup_id AS customergroupId,
     e.first_name AS firstName,
     e.name,
+    e.[number] AS number,
     e.created_at AS createdAt,
     e.updated_at AS updatedAt
 `;
@@ -49,6 +50,16 @@ WHERE e.id = @id
   AND cg.company_id = @companyId
 `;
 
+/** Occupied when another entity in the company already has this number. */
+export const NUMBER_TAKEN_IN_COMPANY = `
+SELECT TOP 1 e.id
+FROM entity e
+INNER JOIN customergroup cg ON cg.id = e.customergroup_id
+WHERE cg.company_id = @companyId
+  AND e.[number] = @number
+  AND (@excludeEntityId IS NULL OR e.id <> @excludeEntityId)
+`;
+
 /** Customer entity: company-scoped and not Lieferanten/POS. */
 export const GET_CUSTOMER_BY_ID = `
 SELECT
@@ -87,15 +98,16 @@ WHERE e.id = @id
 `;
 
 export const CREATE = `
-INSERT INTO entity (customergroup_id, first_name, name)
+INSERT INTO entity (customergroup_id, first_name, name, [number])
 OUTPUT
     INSERTED.id,
     INSERTED.customergroup_id AS customergroupId,
     INSERTED.first_name AS firstName,
     INSERTED.name,
+    INSERTED.[number] AS number,
     INSERTED.created_at AS createdAt,
     INSERTED.updated_at AS updatedAt
-VALUES (@customergroupId, @firstName, @name)
+VALUES (@customergroupId, @firstName, @name, @number)
 `;
 
 export const UPDATE = `
@@ -103,12 +115,14 @@ UPDATE entity
 SET
     first_name = @firstName,
     name = @name,
+    [number] = @number,
     updated_at = SYSUTCDATETIME()
 OUTPUT
     INSERTED.id,
     INSERTED.customergroup_id AS customergroupId,
     INSERTED.first_name AS firstName,
     INSERTED.name,
+    INSERTED.[number] AS number,
     INSERTED.created_at AS createdAt,
     INSERTED.updated_at AS updatedAt
 WHERE id = @id

src/sql/purge.js

@@ -40,7 +40,12 @@ export const TABLES = [
   'meta',
 ];
 
-export const PROCEDURES = ['getnextnumberwithprefixandpadding'];
+export const PROCEDURES = [
+  'getnextnumberwithprefixandpadding',
+  'peeknextnumberwithprefixandpadding',
+];
+
+export const VIEWS = ['v_entity_company_number'];
 
 /** Drop before tables — breaks company ↔ customergroup cycle for purge. */
 export const CONSTRAINTS = [
@@ -54,6 +59,10 @@ export function buildPurgeSql() {
       (name) =>
         `IF OBJECT_ID(N'dbo.${name}', N'P') IS NOT NULL DROP PROCEDURE dbo.[${name}];`,
     ),
+    ...VIEWS.map(
+      (name) =>
+        `IF OBJECT_ID(N'dbo.${name}', N'V') IS NOT NULL DROP VIEW dbo.[${name}];`,
+    ),
     ...CONSTRAINTS,
     ...TABLES.map(
       (name) =>