Resolves #17 pinned field for conversation

README.md

@@ -357,7 +357,8 @@ List of conversations.
   {
     "id": "<id>",
     "title": "<title>"
-    "picture": "<picture>"
+    "picture": "<picture>",
+    "pinned: "<pinned:bool>"
   },
   ...
 ]
@@ -394,7 +395,8 @@ Conversation object.
 {
   "id": "<id>",
   "title": "<title>",
-  "picture": "<picture>"
+  "picture": "<picture>",
+  "pinned: "<pinned:bool>"
 }
 ```
 
@@ -408,6 +410,34 @@ Conversation object.
 
 ---
 
+### Pin Conversation
+
+```
+POST /user/conversation/:conversation/pin
+```
+
+Mark the specified conversation as pinned.
+
+#### URL Params
+
+| Name | Type | Description | Required |
+| ---- | ---- | ----------- | -------- |
+| conversation | String | Conversation's ID. | ✓ |
+
+#### Success Response (200 OK)
+
+Blank body.
+
+#### Errors
+
+| Code | Description |
+| ---- | ----------- |
+| 400 | Invalid `X-User-Claim` header. |
+| 404 | Conversation with supplied ID could not be found in database. |
+| 500 | Error occurred editing entry in the database. |
+
+---
+
 ### Create Conversation Member*
 
 ```

handlers.go

@@ -248,14 +248,14 @@ func (h *Handler) GetConversations(w http.ResponseWriter, r *http.Request, p htt
 
 	// Select
 	rows, err := h.db.Query(`
-		SELECT id, CASE
+		SELECT "conversation".id, CASE
-      WHEN dm THEN (SELECT CONCAT("user".first_name, ' ', "user".last_name) FROM "user", member WHERE "user".id <> $1 AND "user".id = member.user AND member.conversation = "conversation".id)
+      WHEN "conversation".dm THEN (SELECT CONCAT("user".first_name, ' ', "user".last_name) FROM "user", member WHERE "user".id <> $1 AND "user".id = member.user AND member.conversation = "conversation".id)
       ELSE title
     END AS title,
-    picture
+    "conversation".picture,
-    FROM "conversation"
+    member.pinned
-		INNER JOIN member
+    FROM "conversation", member
-		ON member.conversation = "conversation".id AND member.user = $1
+    WHERE member.conversation = "conversation".id AND member.user = $1
 	`, userID)
 	if err != nil {
 		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
@@ -290,14 +290,14 @@ func (h *Handler) GetConversation(w http.ResponseWriter, r *http.Request, p http
 
 	// Select
 	err := h.db.QueryRow(`
-		SELECT id, CASE 
+		SELECT "conversation".id, CASE 
-      WHEN dm THEN (SELECT CONCAT("user".first_name, ' ', "user".last_name) FROM "user", member WHERE "user".id <> $1 AND "user".id = member.user AND member.conversation = "conversation".id)
+    WHEN "conversation".dm THEN (SELECT CONCAT("user".first_name, ' ', "user".last_name) FROM "user", member WHERE "user".id <> $1 AND "user".id = member.user AND member.conversation = "conversation".id)
       ELSE title
     END AS title,
-    picture
+    "conversation" picture,
-    FROM "conversation"
+    member.pinned
-		INNER JOIN member
+    FROM "conversation", member
-		ON member.conversation = "conversation".id AND member.user = $1 AND member.conversation = $2
+    WHERE member.conversation = "conversation".id AND member.user = $1 AND member.conversation = $2
 	`, userID, conversationID).Scan(&conversation.ID, &conversation.Title, &conversation.Picture)
 
 	switch {
@@ -643,6 +643,31 @@ func (h *Handler) GetContacts(w http.ResponseWriter, r *http.Request, p httprout
 	json.NewEncoder(w).Encode(contacts)
 }
 
+func (h *Handler) PinConversation(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
+  conversationID := p.ByName("conversation")
+  userID := r.Context().Value("user").(string)
+
+  // Check relation exists
+  var exists int
+  err := h.db.QueryRow(`SELECT 1 FROM member WHERE "user" = $1 AND "conversation" = $2`, userID, conversationID).Scan(&exists)
+  if err == sql.ErrNoRows {
+    http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+    return
+  } else if err != nil {
+    http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+    return
+  }
+
+  // Update relation
+  _, err = h.db.Exec(`UPDATE "member" SET "pinned" = TRUE WHERE "user" = $1 AND "conversation" = $2`, userID, conversationID)
+  if err != nil {
+    http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+    return
+  }
+
+  w.WriteHeader(200)
+}
+
 func NewHandler(db *sql.DB) *Handler {
 	return &Handler{db}
 }

main.go

@@ -52,6 +52,7 @@ func main() {
 	router.GET("/user/conversation/:conversation", AuthMiddleware(h.GetConversation))      // USER MEMBER CONVERSATION
 	router.PATCH("/user/conversation/:conversation", AuthMiddleware(h.UpdateConversation)) // USER MEMBER CONVERSATION ADMIN=true -> update conversation title
 	//router.DELETE("/user/:user/conversation/:conversation", h.DeleteConversation) // USER MEMBER CONVERSATION -> delete membership
+  router.POST("/user/conversation/:conversation/pin", AuthMiddleware(h.PinConversation))
 	router.POST("/user/conversation/:conversation/member", AuthMiddleware(h.CreateConversationMember)) // USER MEMBER CONVERSATION ADMIN=true -> create new membership
 	router.GET("/user/conversation/:conversation/member", AuthMiddleware(h.GetConversationMembers))    // USER MEMBER CONVERSATION
 	//router.DELETE("/user/:user/conversation/:conversation/member/:member", h.DeleteConversationMember) // USER MEMBER CONVERSATION ADMIN=true -> delete membership

postgres/1_initial.up.sql

@@ -19,6 +19,7 @@ CREATE TABLE IF NOT EXISTS "conversation" (
 CREATE TABLE IF NOT EXISTS member (
 	"user" BYTEA REFERENCES "user"(id),
 	"conversation" BYTEA REFERENCES "conversation"(id),
+  "pinned" BOOLEAN DEFAULT FALSE,
 	UNIQUE ("user", "conversation")
 );
 

types.go

@@ -5,6 +5,7 @@ type Conversation struct {
 	Title   string `json:"title"`   // title
   DM      bool   `json:"dm"`      // dm
   Picture string `json:"picture"` // picture
+  Pinned  bool   `json:"pinned"`  // pinned
 }
 
 type User struct {