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tangled.org
1package pages
2
3import (
4 "embed"
5 "fmt"
6 "html/template"
7 "io"
8 "io/fs"
9 "log"
10 "net/http"
11 "path"
12 "strings"
13
14 "github.com/sotangled/tangled/appview/auth"
15 "github.com/sotangled/tangled/appview/db"
16 "github.com/sotangled/tangled/types"
17)
18
19//go:embed templates/* static/*
20var files embed.FS
21
22type Pages struct {
23 t map[string]*template.Template
24}
25
26func funcMap() template.FuncMap {
27 return template.FuncMap{
28 "split": func(s string) []string {
29 return strings.Split(s, "\n")
30 },
31 "add": func(a, b int) int {
32 return a + b
33 },
34 "didOrHandle": func(did, handle string) string {
35 if handle != "" {
36 return fmt.Sprintf("@%s", handle)
37 } else {
38 return did
39 }
40 },
41 }
42}
43
44func NewPages() *Pages {
45 templates := make(map[string]*template.Template)
46
47 // Walk through embedded templates directory and parse all .html files
48 err := fs.WalkDir(files, "templates", func(path string, d fs.DirEntry, err error) error {
49 if err != nil {
50 return err
51 }
52
53 if !d.IsDir() && strings.HasSuffix(path, ".html") {
54 name := strings.TrimPrefix(path, "templates/")
55 name = strings.TrimSuffix(name, ".html")
56
57 if !strings.HasPrefix(path, "templates/layouts/") {
58 // Add the page template on top of the base
59 tmpl, err := template.New(name).
60 Funcs(funcMap()).
61 ParseFS(files, "templates/layouts/*.html", path)
62 if err != nil {
63 return fmt.Errorf("setting up template: %w", err)
64 }
65
66 templates[name] = tmpl
67 log.Printf("loaded template: %s", name)
68 }
69
70 return nil
71 }
72 return nil
73 })
74 if err != nil {
75 log.Fatalf("walking template dir: %v", err)
76 }
77
78 log.Printf("total templates loaded: %d", len(templates))
79
80 return &Pages{
81 t: templates,
82 }
83}
84
85type LoginParams struct {
86}
87
88func (p *Pages) execute(name string, w io.Writer, params any) error {
89 return p.t[name].ExecuteTemplate(w, "layouts/base", params)
90}
91
92func (p *Pages) executePlain(name string, w io.Writer, params any) error {
93 return p.t[name].Execute(w, params)
94}
95
96func (p *Pages) executeRepo(name string, w io.Writer, params any) error {
97 return p.t[name].ExecuteTemplate(w, "layouts/repobase", params)
98}
99
100func (p *Pages) Login(w io.Writer, params LoginParams) error {
101 return p.executePlain("user/login", w, params)
102}
103
104type TimelineParams struct {
105 LoggedInUser *auth.User
106}
107
108func (p *Pages) Timeline(w io.Writer, params TimelineParams) error {
109 return p.execute("timeline", w, params)
110}
111
112type SettingsParams struct {
113 LoggedInUser *auth.User
114 PubKeys []db.PublicKey
115}
116
117func (p *Pages) Settings(w io.Writer, params SettingsParams) error {
118 return p.execute("settings/keys", w, params)
119}
120
121type KnotsParams struct {
122 LoggedInUser *auth.User
123 Registrations []db.Registration
124}
125
126func (p *Pages) Knots(w io.Writer, params KnotsParams) error {
127 return p.execute("knots", w, params)
128}
129
130type KnotParams struct {
131 LoggedInUser *auth.User
132 Registration *db.Registration
133 Members []string
134 IsOwner bool
135}
136
137func (p *Pages) Knot(w io.Writer, params KnotParams) error {
138 return p.execute("knot", w, params)
139}
140
141type NewRepoParams struct {
142 LoggedInUser *auth.User
143 Knots []string
144}
145
146func (p *Pages) NewRepo(w io.Writer, params NewRepoParams) error {
147 return p.execute("repo/new", w, params)
148}
149
150type ProfilePageParams struct {
151 LoggedInUser *auth.User
152 UserDid string
153 UserHandle string
154 Repos []db.Repo
155}
156
157func (p *Pages) ProfilePage(w io.Writer, params ProfilePageParams) error {
158 return p.execute("user/profile", w, params)
159}
160
161type RepoInfo struct {
162 Name string
163 OwnerDid string
164 OwnerHandle string
165 Description string
166 SettingsAllowed bool
167}
168
169func (r RepoInfo) OwnerWithAt() string {
170 if r.OwnerHandle != "" {
171 return fmt.Sprintf("@%s", r.OwnerHandle)
172 } else {
173 return r.OwnerDid
174 }
175}
176
177func (r RepoInfo) FullName() string {
178 return path.Join(r.OwnerWithAt(), r.Name)
179}
180
181type RepoIndexParams struct {
182 LoggedInUser *auth.User
183 RepoInfo RepoInfo
184 types.RepoIndexResponse
185}
186
187func (p *Pages) RepoIndexPage(w io.Writer, params RepoIndexParams) error {
188 return p.executeRepo("repo/index", w, params)
189}
190
191type RepoLogParams struct {
192 LoggedInUser *auth.User
193 RepoInfo RepoInfo
194 types.RepoLogResponse
195}
196
197func (p *Pages) RepoLog(w io.Writer, params RepoLogParams) error {
198 return p.execute("repo/log", w, params)
199}
200
201type RepoCommitParams struct {
202 LoggedInUser *auth.User
203 RepoInfo RepoInfo
204 types.RepoCommitResponse
205}
206
207func (p *Pages) RepoCommit(w io.Writer, params RepoCommitParams) error {
208 return p.executeRepo("repo/commit", w, params)
209}
210
211type RepoTreeParams struct {
212 LoggedInUser *auth.User
213 RepoInfo RepoInfo
214 types.RepoTreeResponse
215}
216
217func (p *Pages) RepoTree(w io.Writer, params RepoTreeParams) error {
218 return p.execute("repo/tree", w, params)
219}
220
221type RepoBranchesParams struct {
222 LoggedInUser *auth.User
223 RepoInfo RepoInfo
224 types.RepoBranchesResponse
225}
226
227func (p *Pages) RepoBranches(w io.Writer, params RepoBranchesParams) error {
228 return p.executeRepo("repo/branches", w, params)
229}
230
231type RepoTagsParams struct {
232 LoggedInUser *auth.User
233 RepoInfo RepoInfo
234 types.RepoTagsResponse
235}
236
237func (p *Pages) RepoTags(w io.Writer, params RepoTagsParams) error {
238 return p.executeRepo("repo/tags", w, params)
239}
240
241type RepoBlobParams struct {
242 LoggedInUser *auth.User
243 RepoInfo RepoInfo
244 types.RepoBlobResponse
245}
246
247func (p *Pages) RepoBlob(w io.Writer, params RepoBlobParams) error {
248 return p.executeRepo("repo/blob", w, params)
249}
250
251type RepoSettingsParams struct {
252 LoggedInUser *auth.User
253 RepoInfo RepoInfo
254 Collaborators [][]string
255 IsCollaboratorInviteAllowed bool
256}
257
258func (p *Pages) RepoSettings(w io.Writer, params RepoSettingsParams) error {
259 return p.executeRepo("repo/settings", w, params)
260}
261
262func (p *Pages) Static() http.Handler {
263 sub, err := fs.Sub(files, "static")
264 if err != nil {
265 log.Fatalf("no static dir found? that's crazy: %v", err)
266 }
267 return http.StripPrefix("/static/", http.FileServer(http.FS(sub)))
268}
269
270func (p *Pages) Error500(w io.Writer) error {
271 return p.execute("errors/500", w, nil)
272}
273
274func (p *Pages) Error404(w io.Writer) error {
275 return p.execute("errors/404", w, nil)
276}