Monorepo for Tangled
appview/repo: allow customizing atom feed
using the include query param, the user can now select portions of the
repo feed to listen to
Signed-off-by: oppiliappan <me@oppi.li>
authored by
oppiliappan
and committed by
tangled.org
(Apr 9, 2026, 6:23 AM UTC)
cfbb567c
3e74eb7e
+184
-25
+184
-25
appview/repo/feed.go
+184
-25
appview/repo/feed.go
···
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import (
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"context"
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+
"encoding/json"
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"fmt"
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"log"
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"net/http"
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"slices"
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+
"strings"
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"time"
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+
"tangled.org/core/api/tangled"
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"tangled.org/core/appview/db"
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"tangled.org/core/appview/models"
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"tangled.org/core/appview/pagination"
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"tangled.org/core/orm"
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"tangled.org/core/types"
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"github.com/bluesky-social/indigo/atproto/identity"
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"github.com/bluesky-social/indigo/atproto/syntax"
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indigoxrpc "github.com/bluesky-social/indigo/xrpc"
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"github.com/gorilla/feeds"
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)
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func (rp *Repo) getRepoFeed(ctx context.Context, repo *models.Repo, ownerSlashRepo string) (*feeds.Feed, error) {
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feedPagePerType := pagination.Page{Limit: 100}
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// which types of items to include in the feed.
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type FeedOpts struct {
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IncludeIssues bool
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IncludePulls bool
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IncludeCommits bool
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IncludeTags bool
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}
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+
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func parseFeedOpts(r *http.Request) FeedOpts {
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includeParam := r.URL.Query().Get("include")
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-
pulls, err := db.GetPullsPaginated(rp.db, feedPagePerType, orm.FilterEq("repo_at", repo.RepoAt()))
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if err != nil {
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return nil, err
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// default: include everything
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if includeParam == "" {
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return FeedOpts{
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IncludeIssues: true,
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IncludePulls: true,
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IncludeCommits: true,
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IncludeTags: true,
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}
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}
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issues, err := db.GetIssuesPaginated(
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rp.db,
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feedPagePerType,
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orm.FilterEq("repo_at", repo.RepoAt()),
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)
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if err != nil {
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return nil, err
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// parse comma-separated list
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opts := FeedOpts{}
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types := strings.SplitSeq(includeParam, ",")
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for t := range types {
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switch strings.TrimSpace(strings.ToLower(t)) {
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case "issues":
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opts.IncludeIssues = true
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case "pulls", "prs":
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opts.IncludePulls = true
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case "commits":
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opts.IncludeCommits = true
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case "tags":
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opts.IncludeTags = true
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}
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}
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return opts
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}
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+
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func (rp *Repo) getRepoFeed(ctx context.Context, repo *models.Repo, ownerSlashRepo string, opts FeedOpts) (*feeds.Feed, error) {
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feedPagePerType := pagination.Page{Limit: 100}
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feed := &feeds.Feed{
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Title: fmt.Sprintf("activity feed for @%s", ownerSlashRepo),
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s", rp.config.Core.BaseUrl(), ownerSlashRepo), Type: "text/html", Rel: "alternate"},
···
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Updated: time.UnixMilli(0),
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}
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-
for _, pull := range pulls {
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items, err := rp.createPullItems(ctx, pull, repo, ownerSlashRepo)
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// fetch and add pull requests if requested
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if opts.IncludePulls {
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pulls, err := db.GetPullsPaginated(rp.db, feedPagePerType, orm.FilterEq("repo_at", repo.RepoAt()))
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if err != nil {
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return nil, err
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}
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feed.Items = append(feed.Items, items...)
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+
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for _, pull := range pulls {
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items, err := rp.createPullItems(ctx, pull, ownerSlashRepo)
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if err != nil {
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return nil, err
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}
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feed.Items = append(feed.Items, items...)
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}
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}
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for _, issue := range issues {
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item, err := rp.createIssueItem(ctx, issue, repo, ownerSlashRepo)
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// fetch and add issues if requested
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if opts.IncludeIssues {
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issues, err := db.GetIssuesPaginated(
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rp.db,
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feedPagePerType,
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orm.FilterEq("repo_at", repo.RepoAt()),
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)
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if err != nil {
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return nil, err
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}
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-
feed.Items = append(feed.Items, item)
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+
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for _, issue := range issues {
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item, err := rp.createIssueItem(ctx, issue, ownerSlashRepo)
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if err != nil {
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return nil, err
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}
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feed.Items = append(feed.Items, item)
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}
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}
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+
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// fetch and add commits if requested
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if opts.IncludeCommits {
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commitItems, err := rp.createCommitItems(ctx, repo, ownerSlashRepo)
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if err != nil {
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// Soft failure: log error and continue with partial feed
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log.Printf("failed to fetch commits for feed: %v", err)
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} else {
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feed.Items = append(feed.Items, commitItems...)
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}
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}
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+
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// fetch and add tags if requested
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if opts.IncludeTags {
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tagItems, err := rp.createTagItems(ctx, repo, ownerSlashRepo)
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if err != nil {
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// Soft failure: log error and continue with partial feed
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log.Printf("failed to fetch tags for feed: %v", err)
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} else {
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feed.Items = append(feed.Items, tagItems...)
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}
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}
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slices.SortFunc(feed.Items, func(a, b *feeds.Item) int {
···
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return 1
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})
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if len(feed.Items) > 100 {
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feed.Items = feed.Items[:100]
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}
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if len(feed.Items) > 0 {
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feed.Updated = feed.Items[0].Created
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}
···
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return feed, nil
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}
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func (rp *Repo) createPullItems(ctx context.Context, pull *models.Pull, repo *models.Repo, ownerSlashRepo string) ([]*feeds.Item, error) {
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func (rp *Repo) createPullItems(ctx context.Context, pull *models.Pull, ownerSlashRepo string) ([]*feeds.Item, error) {
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owner, err := rp.idResolver.ResolveIdent(ctx, pull.OwnerDid)
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if err != nil {
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return nil, err
···
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Description: description,
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s/pulls/%d", rp.config.Core.BaseUrl(), ownerSlashRepo, pull.PullId)},
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Created: pull.Created,
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Author: &feeds.Author{Name: fmt.Sprintf("@%s", owner.Handle)},
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Author: &feeds.Author{Name: fmt.Sprintf("%s", owner.Handle)},
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}
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items = append(items, mainItem)
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···
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roundItem := &feeds.Item{
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Title: fmt.Sprintf("[PR #%d] %s (round #%d)", pull.PullId, pull.Title, round.RoundNumber),
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Description: fmt.Sprintf("@%s submitted changes (at round #%d) on PR #%d in @%s", owner.Handle, round.RoundNumber, pull.PullId, ownerSlashRepo),
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Description: fmt.Sprintf("%s submitted changes (at round #%d) on PR #%d in %s", owner.Handle, round.RoundNumber, pull.PullId, ownerSlashRepo),
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s/pulls/%d/round/%d/", rp.config.Core.BaseUrl(), ownerSlashRepo, pull.PullId, round.RoundNumber)},
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Created: round.Created,
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Author: &feeds.Author{Name: fmt.Sprintf("@%s", owner.Handle)},
···
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return items, nil
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}
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func (rp *Repo) createIssueItem(ctx context.Context, issue models.Issue, repo *models.Repo, ownerSlashRepo string) (*feeds.Item, error) {
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func (rp *Repo) createIssueItem(ctx context.Context, issue models.Issue, ownerSlashRepo string) (*feeds.Item, error) {
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owner, err := rp.idResolver.ResolveIdent(ctx, issue.Did)
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if err != nil {
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return nil, err
···
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return &feeds.Item{
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Title: fmt.Sprintf("[Issue #%d] %s", issue.IssueId, issue.Title),
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Description: fmt.Sprintf("@%s %s issue #%d in @%s", owner.Handle, state, issue.IssueId, ownerSlashRepo),
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Description: fmt.Sprintf("%s %s issue #%d in %s", owner.Handle, state, issue.IssueId, ownerSlashRepo),
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s/issues/%d", rp.config.Core.BaseUrl(), ownerSlashRepo, issue.IssueId)},
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Created: issue.Created,
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Author: &feeds.Author{Name: fmt.Sprintf("@%s", owner.Handle)},
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Author: &feeds.Author{Name: owner.Handle.String()},
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}, nil
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}
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func (rp *Repo) createCommitItems(ctx context.Context, repo *models.Repo, ownerSlashRepo string) ([]*feeds.Item, error) {
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xrpcc := &indigoxrpc.Client{Host: rp.config.KnotMirror.Url}
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xrpcBytes, err := tangled.GitTempListCommits(ctx, xrpcc, "", 100, "", repo.RepoAt().String())
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if err != nil {
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return nil, fmt.Errorf("failed to call XRPC repo.log: %w", err)
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}
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var xrpcResp types.RepoLogResponse
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if err := json.Unmarshal(xrpcBytes, &xrpcResp); err != nil {
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return nil, fmt.Errorf("failed to decode XRPC response: %w", err)
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}
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+
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var items []*feeds.Item
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for _, commit := range xrpcResp.Commits {
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messageLines := strings.SplitN(commit.Message, "\n", 2)
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firstLine := messageLines[0]
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if firstLine == "" {
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firstLine = "(no message)"
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}
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shortHash := commit.Hash.String()
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if len(shortHash) > 7 {
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shortHash = shortHash[:7]
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}
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item := &feeds.Item{
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Title: fmt.Sprintf("[Commit %s] %s", shortHash, firstLine),
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Description: commit.Message,
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s/commit/%s", rp.config.Core.BaseUrl(), ownerSlashRepo, commit.Hash.String())},
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Created: commit.Author.When,
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Author: &feeds.Author{Name: commit.Author.Name, Email: commit.Author.Email},
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}
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items = append(items, item)
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}
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return items, nil
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}
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func (rp *Repo) createTagItems(ctx context.Context, repo *models.Repo, ownerSlashRepo string) ([]*feeds.Item, error) {
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xrpcc := &indigoxrpc.Client{Host: rp.config.KnotMirror.Url}
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tagBytes, err := tangled.GitTempListTags(ctx, xrpcc, "", 100, repo.RepoAt().String())
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if err != nil {
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return nil, fmt.Errorf("failed to call XRPC repo.tags: %w", err)
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}
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+
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var tagResp types.RepoTagsResponse
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if err := json.Unmarshal(tagBytes, &tagResp); err != nil {
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return nil, fmt.Errorf("failed to decode XRPC response: %w", err)
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}
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var items []*feeds.Item
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for _, tag := range tagResp.Tags {
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var description string
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+
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// only handle annotated tags for now
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if tag.Tag != nil {
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if tag.Tag.Message != "" {
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description = fmt.Sprintf("Tag %s created by %s:\n\n%s", tag.Name, tag.Tag.Tagger.Name, tag.Tag.Message)
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} else {
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description = fmt.Sprintf("Tag %s created by %s", tag.Name, tag.Tag.Tagger.Name)
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}
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item := &feeds.Item{
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Title: fmt.Sprintf("[Tag] %s", tag.Name),
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Description: description,
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Link: &feeds.Link{Href: fmt.Sprintf("%s/%s/tags/%s", rp.config.Core.BaseUrl(), ownerSlashRepo, tag.Name)},
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Created: tag.Tag.Tagger.When,
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Author: &feeds.Author{
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Name: tag.Tag.Tagger.Name,
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Email: tag.Tag.Tagger.Email,
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},
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}
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items = append(items, item)
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}
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}
287
+
288
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return items, nil
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}
290
+
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func (rp *Repo) getPullState(pull *models.Pull) string {
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if pull.State == models.PullOpen {
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return "opened"
···
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}
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ownerSlashRepo := repoOwnerId.Handle.String() + "/" + f.Name
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-
feed, err := rp.getRepoFeed(r.Context(), f, ownerSlashRepo)
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+
opts := parseFeedOpts(r)
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feed, err := rp.getRepoFeed(r.Context(), f, ownerSlashRepo, opts)
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if err != nil {
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log.Println("failed to get repo feed:", err)
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rp.pages.Error500(w)