init commit

2025-11-30 13:01:24 -05:00
parent f4596a372d
commit 29355260ed
607 changed files with 136371 additions and 234 deletions
--- a/store/db/postgres/memo_relation.go
+++ b/store/db/postgres/memo_relation.go
@@ -0,0 +1,124 @@
+package postgres
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/usememos/memos/plugin/filter"
+	"github.com/usememos/memos/store"
+)
+
+func (d *DB) UpsertMemoRelation(ctx context.Context, create *store.MemoRelation) (*store.MemoRelation, error) {
+	stmt := `
+		INSERT INTO memo_relation (
+			memo_id,
+			related_memo_id,
+			type
+		)
+		VALUES (` + placeholders(3) + `)
+		RETURNING memo_id, related_memo_id, type
+	`
+	memoRelation := &store.MemoRelation{}
+	if err := d.db.QueryRowContext(
+		ctx,
+		stmt,
+		create.MemoID,
+		create.RelatedMemoID,
+		create.Type,
+	).Scan(
+		&memoRelation.MemoID,
+		&memoRelation.RelatedMemoID,
+		&memoRelation.Type,
+	); err != nil {
+		return nil, err
+	}
+
+	return memoRelation, nil
+}
+
+func (d *DB) ListMemoRelations(ctx context.Context, find *store.FindMemoRelation) ([]*store.MemoRelation, error) {
+	where, args := []string{"1 = 1"}, []any{}
+	if find.MemoID != nil {
+		where, args = append(where, "memo_id = "+placeholder(len(args)+1)), append(args, find.MemoID)
+	}
+	if find.RelatedMemoID != nil {
+		where, args = append(where, "related_memo_id = "+placeholder(len(args)+1)), append(args, find.RelatedMemoID)
+	}
+	if find.Type != nil {
+		where, args = append(where, "type = "+placeholder(len(args)+1)), append(args, find.Type)
+	}
+	if find.MemoFilter != nil {
+		// Parse filter string and return the parsed expression.
+		// The filter string should be a CEL expression.
+		parsedExpr, err := filter.Parse(*find.MemoFilter, filter.MemoFilterCELAttributes...)
+		if err != nil {
+			return nil, err
+		}
+		convertCtx := filter.NewConvertContext()
+		convertCtx.ArgsOffset = len(args)
+		// ConvertExprToSQL converts the parsed expression to a SQL condition string.
+		if err := d.ConvertExprToSQL(convertCtx, parsedExpr.GetExpr()); err != nil {
+			return nil, err
+		}
+		condition := convertCtx.Buffer.String()
+		if condition != "" {
+			where = append(where, fmt.Sprintf("memo_id IN (SELECT id FROM memo WHERE %s)", condition))
+			where = append(where, fmt.Sprintf("related_memo_id IN (SELECT id FROM memo WHERE %s)", condition))
+			args = append(args, convertCtx.Args...)
+		}
+	}
+
+	rows, err := d.db.QueryContext(ctx, `
+		SELECT
+			memo_id,
+			related_memo_id,
+			type
+		FROM memo_relation
+		WHERE `+strings.Join(where, " AND "), args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	list := []*store.MemoRelation{}
+	for rows.Next() {
+		memoRelation := &store.MemoRelation{}
+		if err := rows.Scan(
+			&memoRelation.MemoID,
+			&memoRelation.RelatedMemoID,
+			&memoRelation.Type,
+		); err != nil {
+			return nil, err
+		}
+		list = append(list, memoRelation)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return list, nil
+}
+
+func (d *DB) DeleteMemoRelation(ctx context.Context, delete *store.DeleteMemoRelation) error {
+	where, args := []string{"1 = 1"}, []any{}
+	if delete.MemoID != nil {
+		where, args = append(where, "memo_id = "+placeholder(len(args)+1)), append(args, delete.MemoID)
+	}
+	if delete.RelatedMemoID != nil {
+		where, args = append(where, "related_memo_id = "+placeholder(len(args)+1)), append(args, delete.RelatedMemoID)
+	}
+	if delete.Type != nil {
+		where, args = append(where, "type = "+placeholder(len(args)+1)), append(args, delete.Type)
+	}
+	stmt := `DELETE FROM memo_relation WHERE ` + strings.Join(where, " AND ")
+	result, err := d.db.ExecContext(ctx, stmt, args...)
+	if err != nil {
+		return err
+	}
+	if _, err = result.RowsAffected(); err != nil {
+		return err
+	}
+	return nil
+}