feat:add conds

backend/database/conds/conds.go

@@ -0,0 +1,11 @@
+package conds
+
+import (
+	. "github.com/go-jet/jet/v2/postgres"
+)
+
+type Cond func(BoolExpression) BoolExpression
+
+func Default() BoolExpression {
+	return BoolExp(Bool(true))
+}

backend/database/conds/posts.go

@@ -0,0 +1,41 @@
+package conds
+
+import (
+	"quyun/database/fields"
+	"quyun/database/schemas/public/table"
+
+	. "github.com/go-jet/jet/v2/postgres"
+)
+
+func Post_NotDeleted() Cond {
+	return func(cond BoolExpression) BoolExpression {
+		return cond.AND(table.Posts.DeletedAt.IS_NULL())
+	}
+}
+
+func Post_Status(s fields.PostStatus) Cond {
+	return func(cond BoolExpression) BoolExpression {
+		return cond.AND(table.Posts.Status.EQ(Int(int64(s))))
+	}
+}
+
+func Post_Like(key *string) Cond {
+	return func(cond BoolExpression) BoolExpression {
+		tbl := table.Posts
+		if key == nil || *key == "" {
+			return cond
+		}
+
+		cond = cond.AND(
+			tbl.Title.LIKE(String("%" + *key + "%")).
+				OR(
+					tbl.Content.LIKE(String("%" + *key + "%")),
+				).
+				OR(
+					tbl.Description.LIKE(String("%" + *key + "%")),
+				),
+		)
+
+		return cond
+	}
+}