commit e7b518219dd2b5d8d3e4a5c7cadd9a5cb98ef76c · julien.rbrt.fr/tangled-core

+79 -3

appview/db/follow.go

···

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       	return err

     

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       }

     

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       -
       func GetFollowerFollowingCount(e Execer, did string) (int, int, error) {

     

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       type FollowStats struct {

     

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       	Followers int

     

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       	Following int

     

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       }

     

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       func GetFollowerFollowingCount(e Execer, did string) (FollowStats, error) {

     

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       	followers, following := 0, 0

     

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       	err := e.QueryRow(

     

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       		`SELECT

     
···

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       		COUNT(CASE WHEN user_did = ? THEN 1 END) AS following

     

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       		FROM follows;`, did, did).Scan(&followers, &following)

     

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       	if err != nil {

     

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       		return 0, 0, err

     

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       		return FollowStats{}, err

     

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       	}

     

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       	return FollowStats{

     

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       		Followers: followers,

     

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       		Following: following,

     

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       	}, nil

     

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       }

     

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       func GetFollowerFollowingCounts(e Execer, dids []string) (map[string]FollowStats, error) {

     

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       	if len(dids) == 0 {

     

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       		return nil, nil

     

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       	}

     

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       	placeholders := make([]string, len(dids))

     

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       	for i := range placeholders {

     

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       		placeholders[i] = "?"

     

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       	}

     

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       	return followers, following, nil

     

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       	placeholderStr := strings.Join(placeholders, ",")

     

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       	args := make([]any, len(dids)*2)

     

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       	for i, did := range dids {

     

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       		args[i] = did

     

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       		args[i+len(dids)] = did

     

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       	}

     

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       	query := fmt.Sprintf(`

     

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       		select

     

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       			coalesce(f.did, g.did) as did,

     

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       			coalesce(f.followers, 0) as followers,

     

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       			coalesce(g.following, 0) as following

     

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       		from (

     

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       			select subject_did as did, count(*) as followers

     

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       			from follows

     

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       			where subject_did in (%s)

     

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       			group by subject_did

     

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       		) f

     

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       		full outer join (

     

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       			select user_did as did, count(*) as following

     

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       			from follows

     

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       			where user_did in (%s)

     

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       			group by user_did

     

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       		) g on f.did = g.did`,

     

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       		placeholderStr, placeholderStr)

     

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       	result := make(map[string]FollowStats)

     

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       	rows, err := e.Query(query, args...)

     

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       	if err != nil {

     

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       		return nil, err

     

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       	}

     

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       	defer rows.Close()

     

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       	for rows.Next() {

     

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       		var did string

     

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       		var followers, following int

     

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       		if err := rows.Scan(&did, &followers, &following); err != nil {

     

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       			return nil, err

     

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       		}

     

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       		result[did] = FollowStats{

     

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       			Followers: followers,

     

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       			Following: following,

     

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       		}

     

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       	}

     

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       	for _, did := range dids {

     

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       		if _, exists := result[did]; !exists {

     

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       			result[did] = FollowStats{

     

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       				Followers: 0,

     

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       				Following: 0,

     

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       			}

     

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       		}

     

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       	}

     

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       	return result, nil

     

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       }

     

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       func GetFollows(e Execer, limit int, filters ...filter) ([]Follow, error) {

+3 -15

appview/db/timeline.go

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       	*FollowStats

     

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       }

     

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       type FollowStats struct {

     

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       	Followers int

     

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       	Following int

     

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       }

     

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       const Limit = 50

     

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       // TODO: this gathers heterogenous events from different sources and aggregates

     
···

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       		return nil, err

     

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       	}

     

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       	followStatMap := make(map[string]FollowStats)

     

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       	for _, s := range subjects {

     

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       		followers, following, err := GetFollowerFollowingCount(e, s)

     

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       		if err != nil {

     

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       			return nil, err

     

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       		}

     

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       		followStatMap[s] = FollowStats{

     

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       			Followers: followers,

     

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       			Following: following,

     

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       		}

     

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       	followStatMap, err := GetFollowerFollowingCounts(e, subjects)

     

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       	if err != nil {

     

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       		return nil, err

     

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       	}

     

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       	var events []TimelineEvent

+13 -8

appview/state/profile.go

···

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       		return nil

     

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       	}

     

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       	followersCount, followingCount, err := db.GetFollowerFollowingCount(s.db, did)

     

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       	followStats, err := db.GetFollowerFollowingCount(s.db, did)

     

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       	if err != nil {

     

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       		log.Printf("getting follow stats for %s: %s", did, err)

     

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       	}

     
···

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       			UserHandle:     ident.Handle.String(),

     

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       			Profile:        profile,

     

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       			FollowStatus:   followStatus,

     

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       			FollowersCount: followersCount,

     

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       			FollowingCount: followingCount,

     

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       			FollowersCount: followStats.Followers,

     

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       			FollowingCount: followStats.Following,

     

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       		},

     

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       	}

     

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       }

     
···

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       		return FollowsPageParams{}, err

     

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       	}

     

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       	followStatsMap, err := db.GetFollowerFollowingCounts(s.db, followDids)

     

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       	if err != nil {

     

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       		log.Printf("getting follow counts for %s: %s", followDids, err)

     

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       	}

     

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       	var loggedInUserFollowing map[string]struct{}

     

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       	if loggedInUser != nil {

     

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       		following, err := db.GetFollowing(s.db, loggedInUser.Did)

     
···

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       	followCards := make([]pages.FollowCard, 0, len(follows))

     

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       	for _, did := range followDids {

     

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       		followersCount, followingCount, err := db.GetFollowerFollowingCount(s.db, did)

     

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       		if err != nil {

     

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       			log.Printf("getting follow stats for %s: %s", did, err)

     

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       		followStats, exists := followStatsMap[did]

     

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       		if !exists {

     

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       			followStats = db.FollowStats{}

     

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       		}

     

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       		followStatus := db.IsNotFollowing

     

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       		if loggedInUserFollowing != nil {

     
···

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       		followCards = append(followCards, pages.FollowCard{

     

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       			UserDid:        did,

     

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       			FollowStatus:   followStatus,

     

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       			FollowersCount: followersCount,

     

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       			FollowingCount: followingCount,

     

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       			FollowersCount: followStats.Followers,

     

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       			FollowingCount: followStats.Following,

     

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       			Profile:        profile,

     

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       		})

     

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       	}

+3 -3

appview/strings/strings.go

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       		followStatus = db.GetFollowStatus(s.Db, loggedInUser.Did, id.DID.String())

     

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       	}

     

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       	followersCount, followingCount, err := db.GetFollowerFollowingCount(s.Db, id.DID.String())

     

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       	followStats, err := db.GetFollowerFollowingCount(s.Db, id.DID.String())

     

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       	if err != nil {

     

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       		l.Error("failed to get follow stats", "err", err)

     

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       	}

     
···

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       			UserHandle:     id.Handle.String(),

     

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       			Profile:        profile,

     

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       			FollowStatus:   followStatus,

     

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       			FollowersCount: followersCount,

     

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       			FollowingCount: followingCount,

     

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       			FollowersCount: followStats.Followers,

     

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       			FollowingCount: followStats.Following,

     

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       		},

     

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       		Strings: all,

     

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       	})