Feat: Edit PR Description (#22)

This MR makes it possible to edit the description. Non-breaking, will happen within the normal description popup.

README.md

@@ -2,11 +2,9 @@
 
 This Neovim plugin is designed to make it easy to review Gitlab MRs from within the editor. This means you can do things like:
 
-- Create, edit, and delete comments on an MR
-- Reply to exisiting comments
-- Read MR summaries
-- Approve an MR
-- Revoke approval for an MR
+- Create, edit, delete, and reply to comments on an MR
+- Read and Edit an MR description
+- Approve/Revoke Approval for an MR
 
 https://github.com/harrisoncramer/gitlab.nvim/assets/32515581/dfd3aa8a-6fc4-4e43-8d2f-489df0745822
 
@@ -58,7 +56,7 @@ This plugin requires a `.gitlab.nvim` file in the root of the local Gitlab direc
 ```
 project_id=112415
 auth_token=your_gitlab_token
-gitlab_url=https://my-personal-gitlab-instance.com
+gitlab_url=https://my-personal-gitlab-instance.com/
 ```
 
 If you don't want to write your authentication token into a dotfile, you may provide it as a shell variable. For instance in your `.bashrc` or `.zshrc` file:
@@ -72,7 +70,7 @@ By default, the plugin will interact with MRs against a "main" branch. You can c
 ```
 project_id=112415
 auth_token=your_gitlab_token
-gitlab_url=https://my-personal-gitlab-instance.com
+gitlab_url=https://my-personal-gitlab-instance.com/
 base_branch=master
 ```
 
@@ -88,7 +86,7 @@ require("gitlab").setup({
   keymaps = {
     popup = { -- The popup for comment creation, editing, and replying
       exit = "<Esc>",
-      perform_action = "<leader>s", -- Once in normal mode, does action
+      perform_action = "<leader>s", -- Once in normal mode, does action (like saving comment or editing description, etc)
     },
     discussion_tree = { -- The discussion tree that holds all comments
       jump_to_location = "o",
@@ -118,12 +116,15 @@ First, check out the branch that you want to review locally.
 git checkout feature-branch
 ```
 
-Then open Neovim and the reviewer will be initialized. The `project_id` you specify in your configuration file must match the project_id of the Gitlab project your terminal is inside of. The `summary` command will pull down the MR description into a buffer so that you can read it:
+Then open Neovim and the reviewer will be initialized. The `project_id` you specify in your configuration file must match the project_id of the Gitlab project your terminal is inside of. 
+
+The `summary` command will pull down the MR description into a buffer so that you can read it. To edit the description, edit the buffer and press the `perform_action` keybinding when in normal mode (it's `<leader>s` by default):
 
 ```lua
 require("gitlab").summary()
 ```
 
+
 The `approve` command will approve the merge request for the current branch:
 
 ```lua

cmd/main.go

@@ -29,6 +29,7 @@ func main() {
 	}
 
 	m := http.NewServeMux()
+	m.Handle("/mr", withGitlabContext(http.HandlerFunc(UpdateHandler), c))
 	m.Handle("/approve", withGitlabContext(http.HandlerFunc(ApproveHandler), c))
 	m.Handle("/revoke", withGitlabContext(http.HandlerFunc(RevokeHandler), c))
 	m.Handle("/info", withGitlabContext(http.HandlerFunc(InfoHandler), c))

cmd/update.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"log"
+	"net/http"
+
+	"github.com/xanzy/go-gitlab"
+)
+
+type UpdateRequest struct {
+	Description string `json:"description"`
+}
+
+type UpdateResponse struct {
+	SuccessResponse
+	MergeRequest *gitlab.MergeRequest `json:"mr"`
+}
+
+func UpdateHandler(w http.ResponseWriter, r *http.Request) {
+	c := r.Context().Value("client").(Client)
+	w.Header().Set("Content-Type", "application/json")
+	if r.Method != http.MethodPut {
+		c.handleError(w, errors.New("Invalid request type"), "That request type is not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		c.handleError(w, err, "Could not read request body", http.StatusBadRequest)
+		return
+	}
+
+	defer r.Body.Close()
+	var updateRequest UpdateRequest
+	err = json.Unmarshal(body, &updateRequest)
+
+	if err != nil {
+		c.handleError(w, err, "Could not read JSON from request", http.StatusBadRequest)
+		return
+	}
+
+	git, err := gitlab.NewClient(c.authToken)
+	if err != nil {
+		log.Fatalf("Failed to create client: %v", err)
+	}
+
+	mr, res, err := git.MergeRequests.UpdateMergeRequest(c.projectId, c.mergeId, &gitlab.UpdateMergeRequestOptions{Description: &updateRequest.Description})
+
+	if err != nil {
+		c.handleError(w, err, "Could not edit merge request", http.StatusBadRequest)
+		return
+	}
+
+	if res.StatusCode != http.StatusOK {
+		c.handleError(w, err, "Could not edit merge request", http.StatusBadRequest)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+
+	response := UpdateResponse{
+		SuccessResponse: SuccessResponse{
+			Message: "Merge request updated",
+			Status:  http.StatusOK,
+		},
+		MergeRequest: mr,
+	}
+
+	json.NewEncoder(w).Encode(response)
+
+}

lua/gitlab/init.lua

@@ -45,6 +45,7 @@ M.setup                  = function(args)
 
   if not M.setPluginConfiguration(args) then return end -- Return if not a valid gitlab project
 
+
   local command = state.BIN
       .. " "
       .. state.PROJECT_ID

lua/gitlab/summary.lua

@@ -1,13 +1,14 @@
-local state        = require("gitlab.state")
-local Popup        = require("nui.popup")
-local u            = require("gitlab.utils")
-local keymaps      = require("gitlab.keymaps")
-local summaryPopup = Popup(u.create_popup_state("Loading Summary...", "80%", "80%"))
-local M            = {}
+local job              = require("gitlab.job")
+local state            = require("gitlab.state")
+local Popup            = require("nui.popup")
+local u                = require("gitlab.utils")
+local keymaps          = require("gitlab.keymaps")
+local descriptionPopup = Popup(u.create_popup_state("Loading Description...", "80%", "80%"))
+local M                = {}
 
-M.summary          = function()
+M.summary              = function()
   if u.base_invalid() then return end
-  summaryPopup:mount()
+  descriptionPopup:mount()
   local currentBuffer = vim.api.nvim_get_current_buf()
   local title = state.INFO.title
   local description = state.INFO.description
@@ -18,9 +19,17 @@ M.summary          = function()
   end
   vim.schedule(function()
     vim.api.nvim_buf_set_lines(currentBuffer, 0, -1, false, lines)
-    vim.api.nvim_buf_set_option(currentBuffer, "modifiable", false)
-    summaryPopup.border:set_text("top", title, "center")
-    keymaps.set_popup_keymaps(summaryPopup)
+    descriptionPopup.border:set_text("top", title, "center")
+    keymaps.set_popup_keymaps(descriptionPopup, M.edit_description)
+  end)
+end
+
+M.edit_description     = function(text)
+  local jsonTable = { description = text }
+  local json = vim.json.encode(jsonTable)
+  job.run_job("mr", "PUT", json, function(data)
+    vim.notify(data.message, vim.log.levels.INFO)
+    state.INFO.description = data.mr.description
   end)
 end
 

lua/gitlab/utils/init.lua

@@ -187,6 +187,7 @@ local create_popup_state = function(title, width, height)
     buf_options = {
       filetype = 'markdown'
     },
+    relative = "editor",
     enter = true,
     focusable = true,
     border = {