Change to HTTP Model (#5)

lua/gitlab/job.lua

@@ -0,0 +1,46 @@
+local notify = require("notify")
+local Job    = require("plenary.job")
+local M      = {}
+
+M.run_job    = function(endpoint, method, body, callback)
+  local args = { "-s", "-X", (method or "POST"), "localhost:8081/" .. endpoint }
+
+  if body ~= nil then
+    table.insert(args, 1, "-d")
+    table.insert(args, 2, body)
+  end
+  Job:new({
+    command = "curl",
+    args = args,
+    on_stdout = function(_, output)
+      local data_ok, data = pcall(vim.json.decode, output)
+      if data_ok and data ~= nil then
+        local status = (data.status >= 200 and data.status < 300) and "success" or "error"
+        if callback ~= nil then
+          callback(data)
+        else
+          notify(data.message, status)
+        end
+      else
+        notify("Could not parse command output!", "error")
+      end
+    end,
+    on_stderr = function(_, output)
+      notify("Could not run command!", "error")
+      error(output)
+    end
+  }):start()
+end
+
+-- Approves the current merge request
+M.approve    = function()
+  M.run_job("approve", "POST")
+end
+
+-- Revokes approval for the current merge request
+M.revoke     = function()
+  M.run_job("revoke", "POST")
+end
+
+
+return M