appview: allows the user to toggle between a filtered or non filtered timeline

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

appview/pages/pages.go

···
 	LoggedInUser *oauth.User
 	Timeline     []models.TimelineEvent
 	Repos        []models.Repo
+	Filtered     bool
 }
 
 func (p *Pages) Timeline(w io.Writer, params TimelineParams) error {

appview/pages/templates/timeline/fragments/timeline.html

···
 {{ define "timeline/fragments/timeline" }}
     <div class="py-4">
-        <div class="px-6 pb-4">
-            <p class="text-xl font-bold dark:text-white">Timeline</p>
+
+         <div class="flex gap-2 px-6 pb-4">
+             <div>
+                 <p class="text-xl font-bold dark:text-white">Timeline</p>
+             </div>
+             {{ if .LoggedInUser }}
+             <div>
+                 {{ if .Filtered }}
+                 <a href="/timeline" class="hover:underline text-sm">
+                     Show All
+                 </a>
+                 {{ else }}
+                 <a href="/timeline?filtered=true" class="hover:underline text-sm">
+                  Show following only
+                 </a>
+                 {{ end }}
+             </div>
+             {{ end }}
         </div>
 
         <div class="flex flex-col gap-4">

appview/state/state.go

···
 	"log"
 	"log/slog"
 	"net/http"
+	"strconv"
 	"strings"
 	"time"
 
···
 }
 
 func (s *State) Timeline(w http.ResponseWriter, r *http.Request) {
+	filtered := getTimelineFilteredQuery(r)
 	user := s.oauth.GetUser(r)
 
 	var userDid string
 	if user != nil {
 		userDid = user.Did
 	}
-	timeline, err := db.MakeTimeline(s.db, 50, userDid, false)
+	timeline, err := db.MakeTimeline(s.db, 50, userDid, filtered)
 	if err != nil {
 		log.Println(err)
 		s.pages.Notice(w, "timeline", "Uh oh! Failed to load timeline.")
···
 		LoggedInUser: user,
 		Timeline:     timeline,
 		Repos:        repos,
+		Filtered:     filtered,
 	})
 }
 
···
 }
 
 func (s *State) Home(w http.ResponseWriter, r *http.Request) {
-	timeline, err := db.MakeTimeline(s.db, 5, "")
+	filtered := getTimelineFilteredQuery(r)
+	timeline, err := db.MakeTimeline(s.db, 5, "", filtered)
 	if err != nil {
 		log.Println(err)
 		s.pages.Notice(w, "timeline", "Uh oh! Failed to load timeline.")
···
 		LoggedInUser: nil,
 		Timeline:     timeline,
 		Repos:        repos,
+		Filtered:     filtered,
 	})
 }
 
···
 
 	return nil
 }
+
+func getTimelineFilteredQuery(r *http.Request) bool {
+	filteredStr := r.URL.Query().Get("filtered")
+	if filteredStr == "" {
+		return false
+	}
+
+	res, _ := strconv.ParseBool(filteredStr)
+	return res
+}