feat(ai-image): AI生图开发

2026-09-27 22:40:52 +08:00
parent e670d06ca6
commit a29dd92676
105 changed files with 9943 additions and 361 deletions
@@ -0,0 +1,44 @@
+SET search_path TO atlas, public;
+
+-- 精确坐标按水印在预览区域内的可移动范围归一化；旧九宫格数据保留原位置。
+ALTER TABLE watermark_template_versions
+    ADD COLUMN IF NOT EXISTS position_x NUMERIC(5,4),
+    ADD COLUMN IF NOT EXISTS position_y NUMERIC(5,4);
+
+-- 迁移角色受强制 RLS 限制，回填期间临时关闭并在同一事务内恢复。
+ALTER TABLE watermark_template_versions NO FORCE ROW LEVEL SECURITY;
+ALTER TABLE watermark_template_versions DISABLE ROW LEVEL SECURITY;
+
+UPDATE watermark_template_versions
+SET position_x = CASE
+        WHEN position IN ('top_left', 'middle_left', 'bottom_left') THEN 0
+        WHEN position IN ('top_center', 'center', 'bottom_center') THEN 0.5
+        ELSE 1
+    END,
+    position_y = CASE
+        WHEN position IN ('top_left', 'top_center', 'top_right') THEN 0
+        WHEN position IN ('middle_left', 'center', 'middle_right') THEN 0.5
+        ELSE 1
+    END
+WHERE position_x IS NULL OR position_y IS NULL;
+
+ALTER TABLE watermark_template_versions ENABLE ROW LEVEL SECURITY;
+ALTER TABLE watermark_template_versions FORCE ROW LEVEL SECURITY;
+
+ALTER TABLE watermark_template_versions
+    ALTER COLUMN position_x SET NOT NULL,
+    ALTER COLUMN position_y SET NOT NULL;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conrelid = 'atlas.watermark_template_versions'::regclass
+          AND conname = 'watermark_template_versions_position_coordinates_check'
+    ) THEN
+        ALTER TABLE watermark_template_versions
+            ADD CONSTRAINT watermark_template_versions_position_coordinates_check
+            CHECK (position_x BETWEEN 0 AND 1 AND position_y BETWEEN 0 AND 1);
+    END IF;
+END
+$$;