Implement paste deletion endpoint

internal/web/controllers/v1/pastes.go

@@ -12,6 +12,8 @@ import (
 // InitializePastesController initializes the '/v1/pastes/*' controller
 func InitializePastesController(group *router.Group) {
 	group.GET("/{id}", v1GetPaste)
+	group.POST("/", v1PostPaste)
+	group.DELETE("/{id}", v1DeletePaste)
 }
 
 // v1GetPaste handles the 'GET /v1/pastes/{id}' endpoint
@@ -73,6 +75,14 @@ func v1PostPaste(ctx *fasthttp.RequestCtx) {
 		return
 	}
 
+	// Save the paste
+	err = storage.Current.Save(paste)
+	if err != nil {
+		ctx.SetStatusCode(fasthttp.StatusInternalServerError)
+		ctx.SetBodyString(err.Error())
+		return
+	}
+
 	// Respond with the paste
 	jsonData, err := json.Marshal(paste)
 	if err != nil {
@@ -82,3 +92,61 @@ func v1PostPaste(ctx *fasthttp.RequestCtx) {
 	}
 	ctx.SetBody(jsonData)
 }
+
+// v1DeletePaste handles the 'DELETE /v1/pastes/{id}'
+func v1DeletePaste(ctx *fasthttp.RequestCtx) {
+	// Parse the ID
+	id, err := snowflake.ParseString(ctx.UserValue("id").(string))
+	if err != nil {
+		ctx.SetStatusCode(fasthttp.StatusBadRequest)
+		ctx.SetBodyString("invalid ID format")
+		return
+	}
+
+	// Unmarshal the body
+	values := make(map[string]string)
+	err := json.Unmarshal(ctx.PostBody(), &values)
+	if err != nil {
+		ctx.SetStatusCode(fasthttp.StatusBadRequest)
+		ctx.SetBodyString("invalid request body")
+		return
+	}
+
+	// Validate the deletion token of the paste
+	if values["deletionToken"] == "" {
+		ctx.SetStatusCode(fasthttp.StatusBadRequest)
+		ctx.SetBodyString("missing 'deletionToken' field")
+		return
+	}
+
+	// Retrieve the paste
+	paste, err := storage.Current.Get(id)
+	if err != nil {
+		ctx.SetStatusCode(fasthttp.StatusInternalServerError)
+		ctx.SetBodyString(err.Error())
+		return
+	}
+	if paste == nil {
+		ctx.SetStatusCode(fasthttp.StatusNotFound)
+		ctx.SetBodyString("paste not found")
+		return
+	}
+
+	// Check if the deletion token is correct
+	if !paste.CheckDeletionToken(values["deletionToken"]) {
+		ctx.SetStatusCode(fasthttp.StatusForbidden)
+		ctx.SetBodyString("invalid deletion token")
+		return
+	}
+
+	// Delete the paste
+	err = storage.Current.Delete(paste.ID)
+	if err != nil {
+		ctx.SetStatusCode(fasthttp.StatusInternalServerError)
+		ctx.SetBodyString(err.Error())
+		return
+	}
+
+	// Respond with 'ok'
+	ctx.SetBodyString("ok")
+}