memos/store/db/mysql/reaction.go
2024-02-09 21:59:45 +08:00

106 lines
2.6 KiB
Go

package mysql
import (
"context"
"strings"
"github.com/pkg/errors"
storepb "github.com/usememos/memos/proto/gen/store"
"github.com/usememos/memos/store"
)
func (d *DB) UpsertReaction(ctx context.Context, upsert *storepb.Reaction) (*storepb.Reaction, error) {
fields := []string{"`creator_id`", "`content_id`", "`reaction_type`"}
placeholder := []string{"?", "?", "?"}
args := []interface{}{upsert.CreatorId, upsert.ContentId, upsert.ReactionType.String()}
stmt := "INSERT INTO `reaction` (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ")"
result, err := d.db.ExecContext(ctx, stmt, args...)
if err != nil {
return nil, err
}
rawID, err := result.LastInsertId()
if err != nil {
return nil, err
}
id := int32(rawID)
reaction, err := d.GetReaction(ctx, &store.FindReaction{ID: &id})
if err != nil {
return nil, err
}
if reaction == nil {
return nil, errors.Errorf("failed to create reaction")
}
return reaction, nil
}
func (d *DB) ListReactions(ctx context.Context, find *store.FindReaction) ([]*storepb.Reaction, error) {
where, args := []string{"1 = 1"}, []interface{}{}
if find.ID != nil {
where, args = append(where, "`id` = ?"), append(args, *find.ID)
}
if find.CreatorID != nil {
where, args = append(where, "`creator_id` = ?"), append(args, *find.CreatorID)
}
if find.ContentID != nil {
where, args = append(where, "`content_id` = ?"), append(args, *find.ContentID)
}
rows, err := d.db.QueryContext(ctx, `
SELECT
id,
UNIX_TIMESTAMP(created_ts) AS created_ts,
creator_id,
content_id,
reaction_type
FROM reaction
WHERE `+strings.Join(where, " AND ")+`
ORDER BY id ASC`,
args...,
)
if err != nil {
return nil, err
}
defer rows.Close()
list := []*storepb.Reaction{}
for rows.Next() {
reaction := &storepb.Reaction{}
var reactionType string
if err := rows.Scan(
&reaction.Id,
&reaction.CreatedTs,
&reaction.CreatorId,
&reaction.ContentId,
&reactionType,
); err != nil {
return nil, err
}
reaction.ReactionType = storepb.Reaction_Type(storepb.Reaction_Type_value[reactionType])
list = append(list, reaction)
}
if err := rows.Err(); err != nil {
return nil, err
}
return list, nil
}
func (d *DB) GetReaction(ctx context.Context, find *store.FindReaction) (*storepb.Reaction, error) {
list, err := d.ListReactions(ctx, find)
if err != nil {
return nil, err
}
if len(list) == 0 {
return nil, nil
}
reaction := list[0]
return reaction, nil
}
func (d *DB) DeleteReaction(ctx context.Context, delete *store.DeleteReaction) error {
_, err := d.db.ExecContext(ctx, "DELETE FROM `reaction` WHERE `id` = ?", delete.ID)
return err
}