pour prod

database/migration_agent_structure_principale.sql

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+-- ============================================================
+-- PTA V4.5 - Une structure principale par agent
+-- MySQL 8+
+-- ============================================================
+
+SET @col_exists = (
+    SELECT COUNT(*)
+    FROM information_schema.COLUMNS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'agent'
+      AND COLUMN_NAME = 'id_structure'
+);
+
+SET @sql = IF(
+    @col_exists = 0,
+    'ALTER TABLE agent ADD COLUMN id_structure INT UNSIGNED NULL AFTER email',
+    'SELECT 1'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @fk_exists = (
+    SELECT COUNT(*)
+    FROM information_schema.REFERENTIAL_CONSTRAINTS
+    WHERE CONSTRAINT_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'agent'
+      AND CONSTRAINT_NAME = 'fk_agent_structure_principale'
+);
+
+SET @sql = IF(
+    @fk_exists = 0,
+    'ALTER TABLE agent ADD CONSTRAINT fk_agent_structure_principale FOREIGN KEY (id_structure) REFERENCES structure(id_structure) ON UPDATE CASCADE ON DELETE SET NULL',
+    'SELECT 1'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SET @idx_exists = (
+    SELECT COUNT(*)
+    FROM information_schema.STATISTICS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'agent'
+      AND INDEX_NAME = 'idx_agent_structure_principale'
+);
+SET @sql = IF(
+    @idx_exists = 0,
+    'CREATE INDEX idx_agent_structure_principale ON agent(id_structure)',
+    'SELECT 1'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- Reprise automatique uniquement lorsqu'un agent n'a qu'un seul rattachement actif.
+UPDATE agent a
+JOIN (
+    SELECT id_agent, MIN(id_structure) AS id_structure
+    FROM agent_structure
+    WHERE actif = TRUE
+      AND (date_fin IS NULL OR date_fin >= CURRENT_DATE)
+    GROUP BY id_agent
+    HAVING COUNT(DISTINCT id_structure) = 1
+) x ON x.id_agent = a.id_agent
+SET a.id_structure = x.id_structure
+WHERE a.id_structure IS NULL;
+
+-- Les agents encore sans structure doivent être affectés depuis l'onglet
+-- "Gestion des agents" de l'application.