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authorBrian Picciano <mediocregopher@gmail.com>2022-05-13 13:35:54 -0600
committerBrian Picciano <mediocregopher@gmail.com>2022-05-14 15:22:16 -0600
commit7e87c09c50983a25ed7c9816e11a856903ed89d5 (patch)
treeee817372a0b3f2c829ad8b81ca925a5067714146
parent2929b4279c7a8128bd305290cc4187b6afb11cde (diff)
Add /posts handler to api
-rw-r--r--srv/src/api/api.go16
-rw-r--r--srv/src/api/posts.go46
-rw-r--r--srv/src/cmd/mediocre-blog/main.go11
3 files changed, 69 insertions, 4 deletions
diff --git a/srv/src/api/api.go b/srv/src/api/api.go
index 56f33b2..75147d5 100644
--- a/srv/src/api/api.go
+++ b/srv/src/api/api.go
@@ -14,6 +14,7 @@ import (
"github.com/mediocregopher/blog.mediocregopher.com/srv/cfg"
"github.com/mediocregopher/blog.mediocregopher.com/srv/chat"
"github.com/mediocregopher/blog.mediocregopher.com/srv/mailinglist"
+ "github.com/mediocregopher/blog.mediocregopher.com/srv/post"
"github.com/mediocregopher/blog.mediocregopher.com/srv/pow"
"github.com/mediocregopher/mediocre-go-lib/v2/mctx"
"github.com/mediocregopher/mediocre-go-lib/v2/mlog"
@@ -22,9 +23,14 @@ import (
// Params are used to instantiate a new API instance. All fields are required
// unless otherwise noted.
type Params struct {
- Logger *mlog.Logger
- PowManager pow.Manager
- MailingList mailinglist.MailingList
+ Logger *mlog.Logger
+ PowManager pow.Manager
+
+ PostStore post.Store
+ PostHTTPRenderer post.Renderer
+
+ MailingList mailinglist.MailingList
+
GlobalRoom chat.Room
UserIDCalculator *chat.UserIDCalculator
@@ -172,7 +178,7 @@ func (a *api) handler() http.Handler {
)))
var apiHandler http.Handler = apiMux
- apiHandler = postOnlyMiddleware(apiHandler)
+ apiHandler = postOnlyMiddleware(apiHandler) // TODO probably should be last?
apiHandler = checkCSRFMiddleware(apiHandler)
apiHandler = logMiddleware(a.params.Logger, apiHandler)
apiHandler = annotateMiddleware(apiHandler)
@@ -184,5 +190,7 @@ func (a *api) handler() http.Handler {
mux.Handle("/api/", http.StripPrefix("/api", apiHandler))
+ mux.Handle("/posts/", a.postHandler())
+
return mux
}
diff --git a/srv/src/api/posts.go b/srv/src/api/posts.go
new file mode 100644
index 0000000..995f2fb
--- /dev/null
+++ b/srv/src/api/posts.go
@@ -0,0 +1,46 @@
+package api
+
+import (
+ "errors"
+ "fmt"
+ "net/http"
+ "path/filepath"
+ "strings"
+
+ "github.com/mediocregopher/blog.mediocregopher.com/srv/api/apiutils"
+ "github.com/mediocregopher/blog.mediocregopher.com/srv/post"
+)
+
+func (a *api) postHandler() http.Handler {
+ return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
+
+ id := strings.TrimSuffix(filepath.Base(r.URL.Path), ".html")
+
+ storedPost, err := a.params.PostStore.GetByID(id)
+
+ if errors.Is(err, post.ErrPostNotFound) {
+ http.Error(rw, "Post not found", 404)
+ return
+ } else if err != nil {
+ apiutils.InternalServerError(
+ rw, r, fmt.Errorf("fetching post with id %q: %w", id, err),
+ )
+ return
+ }
+
+ renderablePost, err := post.NewRenderablePost(a.params.PostStore, storedPost)
+ if err != nil {
+ apiutils.InternalServerError(
+ rw, r, fmt.Errorf("constructing renderable post with id %q: %w", id, err),
+ )
+ return
+ }
+
+ if err := a.params.PostHTTPRenderer.Render(rw, renderablePost); err != nil {
+ apiutils.InternalServerError(
+ rw, r, fmt.Errorf("rendering post with id %q: %w", id, err),
+ )
+ return
+ }
+ })
+}
diff --git a/srv/src/cmd/mediocre-blog/main.go b/srv/src/cmd/mediocre-blog/main.go
index 69ee7b6..28571a3 100644
--- a/srv/src/cmd/mediocre-blog/main.go
+++ b/srv/src/cmd/mediocre-blog/main.go
@@ -11,6 +11,7 @@ import (
cfgpkg "github.com/mediocregopher/blog.mediocregopher.com/srv/cfg"
"github.com/mediocregopher/blog.mediocregopher.com/srv/chat"
"github.com/mediocregopher/blog.mediocregopher.com/srv/mailinglist"
+ "github.com/mediocregopher/blog.mediocregopher.com/srv/post"
"github.com/mediocregopher/blog.mediocregopher.com/srv/pow"
"github.com/mediocregopher/mediocre-go-lib/v2/mctx"
"github.com/mediocregopher/mediocre-go-lib/v2/mlog"
@@ -112,8 +113,18 @@ func main() {
chatUserIDCalc := chat.NewUserIDCalculator([]byte(*chatUserIDCalcSecret))
+ postSQLDB, err := post.NewSQLDB(dataDir)
+ if err != nil {
+ logger.Fatal(ctx, "initializing sql db for post data", err)
+ }
+ defer postSQLDB.Close()
+
+ postStore := post.NewStore(postSQLDB)
+
apiParams.Logger = logger.WithNamespace("api")
apiParams.PowManager = powMgr
+ apiParams.PostStore = postStore
+ apiParams.PostHTTPRenderer = post.NewMarkdownToHTMLRenderer()
apiParams.MailingList = ml
apiParams.GlobalRoom = chatGlobalRoom
apiParams.UserIDCalculator = chatUserIDCalc