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appview: allow timeline db queries to be filterable by users follows #626

closed

opened by

willdot.net 2 months ago targeting master from willdot.net/tangled-core: feat/filter-user-timeline

Signed-off-by: Will Andrews did:plc:dadhhalkfcq3gucaq25hjqon

options

unified split

Changed files

+39 -11

appview

timeline.go

state

state.go

+38 -10

appview/db/timeline.go

···

       9
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       // TODO: this gathers heterogenous events from different sources and aggregates

     

       11
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       // them in code; if we did this entirely in sql, we could order and limit and paginate easily

     

       12
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       -
       func MakeTimeline(e Execer, limit int, loggedInUserDid string) ([]models.TimelineEvent, error) {

     

       12
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       +
       func MakeTimeline(e Execer, limit int, loggedInUserDid string, limitToUsersIsFollowing bool) ([]models.TimelineEvent, error) {

     

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       	var events []models.TimelineEvent

     

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       -
       	repos, err := getTimelineRepos(e, limit, loggedInUserDid)

     

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       	var userIsFollowing []string

     

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       	if limitToUsersIsFollowing {

     

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       		following, err := GetFollowing(e, loggedInUserDid)

     

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       		if err != nil {

     

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       			return nil, err

     

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       		}

     

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       +
       

     

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       		userIsFollowing = make([]string, 0, len(following))

     

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       		for _, follow := range following {

     

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       			userIsFollowing = append(userIsFollowing, follow.SubjectDid)

     

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       		}

     

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       	}

     

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       +
       

     

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       	repos, err := getTimelineRepos(e, limit, loggedInUserDid, userIsFollowing)

     

       16
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       	if err != nil {

     

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       		return nil, err

     

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       	}

     

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       -
       	stars, err := getTimelineStars(e, limit, loggedInUserDid)

     

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       +
       	stars, err := getTimelineStars(e, limit, loggedInUserDid, userIsFollowing)

     

       21
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       	if err != nil {

     

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       		return nil, err

     

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       	}

     

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       25
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       -
       	follows, err := getTimelineFollows(e, limit, loggedInUserDid)

     

       38
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       +
       	follows, err := getTimelineFollows(e, limit, loggedInUserDid, userIsFollowing)

     

       26
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       	if err != nil {

     

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       		return nil, err

     

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       	}

     
···

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       	return isStarred, starCount

     

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       }

     

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       -
       func getTimelineRepos(e Execer, limit int, loggedInUserDid string) ([]models.TimelineEvent, error) {

     

       74
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       -
       	repos, err := GetRepos(e, limit)

     

       86
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       +
       func getTimelineRepos(e Execer, limit int, loggedInUserDid string, userIsFollowing []string) ([]models.TimelineEvent, error) {

     

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       +
       	filters := make([]filter, 0)

     

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       	if userIsFollowing != nil {

     

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       		filters = append(filters, FilterIn("did", userIsFollowing))

     

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       	}

     

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       +
       

     

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       	repos, err := GetRepos(e, limit, filters...)

     

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       	if err != nil {

     

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       		return nil, err

     

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       	}

     
···

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       	return events, nil

     

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       }

     

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       -
       func getTimelineStars(e Execer, limit int, loggedInUserDid string) ([]models.TimelineEvent, error) {

     

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       -
       	stars, err := GetStars(e, limit)

     

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       +
       func getTimelineStars(e Execer, limit int, loggedInUserDid string, userIsFollowing []string) ([]models.TimelineEvent, error) {

     

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       	filters := make([]filter, 0)

     

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       +
       	if userIsFollowing != nil {

     

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       +
       		filters = append(filters, FilterIn("starred_by_did", userIsFollowing))

     

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       +
       	}

     

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       +
       

     

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       +
       	stars, err := GetStars(e, limit, filters...)

     

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       	if err != nil {

     

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       		return nil, err

     

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       	}

     
···

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       	return events, nil

     

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       }

     

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       169
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       -
       func getTimelineFollows(e Execer, limit int, loggedInUserDid string) ([]models.TimelineEvent, error) {

     

       170
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       -
       	follows, err := GetFollows(e, limit)

     

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       +
       func getTimelineFollows(e Execer, limit int, loggedInUserDid string, userIsFollowing []string) ([]models.TimelineEvent, error) {

     

       193
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       +
       	filters := make([]filter, 0)

     

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       +
       	if userIsFollowing != nil {

     

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       		filters = append(filters, FilterIn("user_did", userIsFollowing))

     

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       +
       	}

     

       197
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       +
       

     

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       	follows, err := GetFollows(e, limit, filters...)

     

       171
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       	if err != nil {

     

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       		return nil, err

     

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       	}

+1 -1

appview/state/state.go

···

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       	if user != nil {

     

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       		userDid = user.Did

     

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       	}

     

       237
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       -
       	timeline, err := db.MakeTimeline(s.db, 50, userDid)

     

       237
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       +
       	timeline, err := db.MakeTimeline(s.db, 50, userDid, false)

     

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       	if err != nil {

     

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       		log.Println(err)

     

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       		s.pages.Notice(w, "timeline", "Uh oh! Failed to load timeline.")