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@ -16,14 +16,12 @@ package unrelation
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import (
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import (
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"context"
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"context"
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"log"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/unrelation"
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"github.com/OpenIMSDK/tools/errs"
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"github.com/OpenIMSDK/tools/utils"
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"github.com/OpenIMSDK/tools/utils"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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"go.mongodb.org/mongo-driver/mongo/options"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/unrelation"
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)
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)
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// prefixes and suffixes.
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// prefixes and suffixes.
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@ -50,22 +48,35 @@ type UserMongoDriver struct {
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// AddSubscriptionList Subscriber's handling of thresholds.
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// AddSubscriptionList Subscriber's handling of thresholds.
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func (u *UserMongoDriver) AddSubscriptionList(ctx context.Context, userID string, userIDList []string) error {
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func (u *UserMongoDriver) AddSubscriptionList(ctx context.Context, userID string, userIDList []string) error {
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// Check the number of lists in the key.
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// Check the number of lists in the key.
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filter := bson.M{SubscriptionPrefix + userID: bson.M{"$size": 1}}
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pipeline := mongo.Pipeline{
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result, err := u.userCollection.Find(context.Background(), filter)
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{{"$match", bson.D{{"user_id", SubscriptionPrefix + userID}}}},
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{{"$project", bson.D{{"count", bson.D{{"$size", "$user_id_list"}}}}}},
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}
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// perform aggregate operations
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cursor, err := u.userCollection.Aggregate(ctx, pipeline)
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if err != nil {
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if err != nil {
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return err
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return errs.Wrap(err)
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}
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}
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var newUserIDList []string
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defer cursor.Close(ctx)
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for result.Next(context.Background()) {
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var cnt struct {
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err := result.Decode(&newUserIDList)
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Count int `bson:"count"`
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}
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// iterate over aggregated results
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for cursor.Next(ctx) {
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err := cursor.Decode(&cnt)
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if err != nil {
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if err != nil {
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log.Fatal(err)
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return errs.Wrap(err)
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}
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}
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}
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}
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var newUserIDList []string
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// If the threshold is exceeded, pop out the previous MaximumSubscription - len(userIDList) and insert it.
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// If the threshold is exceeded, pop out the previous MaximumSubscription - len(userIDList) and insert it.
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if len(newUserIDList)+len(userIDList) > MaximumSubscription {
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if cnt.Count+len(userIDList) > MaximumSubscription {
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newUserIDList, err = u.GetAllSubscribeList(ctx, userID)
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if err != nil {
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return err
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}
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newUserIDList = newUserIDList[MaximumSubscription-len(userIDList):]
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newUserIDList = newUserIDList[MaximumSubscription-len(userIDList):]
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_, err := u.userCollection.UpdateOne(
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_, err = u.userCollection.UpdateOne(
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ctx,
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ctx,
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bson.M{"user_id": SubscriptionPrefix + userID},
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bson.M{"user_id": SubscriptionPrefix + userID},
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bson.M{"$set": bson.M{"user_id_list": newUserIDList}},
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bson.M{"$set": bson.M{"user_id_list": newUserIDList}},
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@ -73,16 +84,17 @@ func (u *UserMongoDriver) AddSubscriptionList(ctx context.Context, userID string
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if err != nil {
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if err != nil {
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return err
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return err
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}
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}
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//for i := 1; i <= MaximumSubscription-len(userIDList); i++ {
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// Another way to subscribe to N before pop,Delete after testing
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// _, err := u.userCollection.UpdateOne(
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/*for i := 1; i <= MaximumSubscription-len(userIDList); i++ {
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// ctx,
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_, err := u.userCollection.UpdateOne(
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// bson.M{"user_id": SubscriptionPrefix + userID},
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ctx,
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// bson.M{SubscriptionPrefix + userID: bson.M{"$pop": -1}},
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bson.M{"user_id": SubscriptionPrefix + userID},
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// )
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bson.M{SubscriptionPrefix + userID: bson.M{"$pop": -1}},
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// if err != nil {
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)
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// return err
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if err != nil {
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// }
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return err
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//}
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}
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}*/
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}
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}
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upsert := true
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upsert := true
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opts := &options.UpdateOptions{
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opts := &options.UpdateOptions{
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@ -95,7 +107,7 @@ func (u *UserMongoDriver) AddSubscriptionList(ctx context.Context, userID string
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opts,
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opts,
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)
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)
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if err != nil {
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if err != nil {
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return err
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return errs.Wrap(err)
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}
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}
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for _, user := range userIDList {
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for _, user := range userIDList {
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_, err = u.userCollection.UpdateOne(
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_, err = u.userCollection.UpdateOne(
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@ -119,25 +131,50 @@ func (u *UserMongoDriver) UnsubscriptionList(ctx context.Context, userID string,
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bson.M{"$pull": bson.M{"user_id_list": bson.M{"$in": userIDList}}},
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bson.M{"$pull": bson.M{"user_id_list": bson.M{"$in": userIDList}}},
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)
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)
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if err != nil {
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if err != nil {
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return err
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return errs.Wrap(err)
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}
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}
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err = u.RemoveSubscribedListFromUser(ctx, userID, userIDList)
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err = u.RemoveSubscribedListFromUser(ctx, userID, userIDList)
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if err != nil {
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if err != nil {
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return err
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return errs.Wrap(err)
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}
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}
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return nil
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return nil
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}
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}
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// RemoveSubscribedListFromUser Among the unsubscribed users, delete the user from the subscribed list.
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// RemoveSubscribedListFromUser Among the unsubscribed users, delete the user from the subscribed list.
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func (u *UserMongoDriver) RemoveSubscribedListFromUser(ctx context.Context, userID string, userIDList []string) error {
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func (u *UserMongoDriver) RemoveSubscribedListFromUser(ctx context.Context, userID string, userIDList []string) error {
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var newUserIDList []string
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var err error
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for _, value := range userIDList {
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for _, userIDTemp := range userIDList {
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newUserIDList = append(newUserIDList, SubscribedPrefix+value)
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_, err = u.userCollection.UpdateOne(
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}
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_, err := u.userCollection.UpdateOne(
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ctx,
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ctx,
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bson.M{"user_id": bson.M{"$in": newUserIDList}},
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bson.M{"user_id": SubscribedPrefix + userIDTemp},
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bson.M{"$pull": bson.M{"user_id_list": userID}},
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bson.M{"$pull": bson.M{"user_id_list": userID}},
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)
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)
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return utils.Wrap(err, "")
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}
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return errs.Wrap(err)
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}
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// GetAllSubscribeList Get all users subscribed by this user
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func (u *UserMongoDriver) GetAllSubscribeList(ctx context.Context, userID string) (userIDList []string, err error) {
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var user unrelation.UserModel
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cursor := u.userCollection.FindOne(
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ctx,
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bson.M{"user_id": SubscriptionPrefix + userID})
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err = cursor.Decode(&user)
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if err != nil {
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return nil, errs.Wrap(err)
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}
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return user.UserIDList, nil
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}
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// GetSubscribedList Get the user subscribed by those users
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func (u *UserMongoDriver) GetSubscribedList(ctx context.Context, userID string) (userIDList []string, err error) {
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var user unrelation.UserModel
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cursor := u.userCollection.FindOne(
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ctx,
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bson.M{"user_id": SubscribedPrefix + userID})
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err = cursor.Decode(&user)
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if err != nil {
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return nil, errs.Wrap(err)
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}
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return user.UserIDList, nil
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}
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}
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Xinwei Xiong
2 years ago
committed by
GitHub