1 files changed, 137 insertions, 0 deletions
diff --git a/lua/pi/php/gateway.lua b/lua/pi/php/gateway.lua
new file mode 100644
index 0000000..83c95e9
--- /dev/null
+++ b/lua/pi/php/gateway.lua
@@ -0,0 +1,137 @@
+local pickers = require "telescope.pickers"
+local finders = require "telescope.finders"
+local conf = require("telescope.config").values
+local action_state = require "telescope.actions.state"
+local action_set = require "telescope.actions.set"
+local actions = require "telescope.actions"
+local get_node_text = vim.treesitter.get_node_text
+
+local gateway = {}
+
+local get_definition_buffer = function(type)
+  local uri = vim.uri_from_fname(vim.fn.getcwd() .. "/config/graphql/_" .. type .. ".yaml")
+  local buff = vim.uri_to_bufnr(uri)
+  vim.fn.bufload(buff)
+
+  return buff
+end
+
+local get_all_definitions = function()
+  local mutations_definitions = gateway.get_graphql_definitions(get_definition_buffer "mutation")
+  local queries_definitions = gateway.get_graphql_definitions(get_definition_buffer "query")
+  for _, definition in ipairs(queries_definitions) do
+    table.insert(mutations_definitions, definition)
+  end
+
+  return mutations_definitions
+end
+
+-- "'@=mutation(\"App\\\\GraphQL\\\\Mutations\\\\Mutation::action\", ...)'",
+local open_resolver = function(resolver)
+  -- need to parse to get this values
+  local args = string.match(resolver, "'@=mutation%((.+)%)'")
+  if args == nil then
+    args = string.match(resolver, "'@=query%((.+)%)'")
+  end
+  if args == nil then
+    return
+  end
+
+  local args_tbl = vim.split(args, ", ")
+  local fqn = string.match(args_tbl[1], '"(.+)"')
+  fqn = string.gsub(fqn, "\\\\", "\\")
+  -- P(fqn)
+
+  require("pi.php.lsp").find(fqn, "phpactor")
+end
+
+--- @param bufnr integer Buff id
+gateway.get_graphql_definitions = function(bufnr)
+  vim.treesitter.query.set(
+    "yaml",
+    "GraphQL_endpoints",
+    [[
+    (document (block_node (block_mapping (block_mapping_pair
+        value: (block_node (block_mapping (block_mapping_pair
+            value: (block_node (block_mapping (block_mapping_pair
+                value: (block_node (block_mapping (block_mapping_pair
+                    key: (flow_node) @mutation
+                    value: (block_node (block_mapping (block_mapping_pair
+                         key: (flow_node) @resolve (#eq? @resolve "resolve")
+                         value: (flow_node) @resolver
+                     )))
+                )))
+            )))
+        )))
+    ))))
+        ]]
+  )
+
+  local query = vim.treesitter.query.get("yaml", "GraphQL_endpoints")
+
+  local elements = {}
+
+  local parsers = require "nvim-treesitter.parsers"
+  local parser = parsers.get_parser(bufnr)
+  local tree = parser:parse()[1]
+
+  for id, node in query:iter_captures(tree:root(), bufnr) do
+    if query.captures[id] == "mutation" then
+      table.insert(elements, {
+        value = get_node_text(node, bufnr),
+        lnum = node:start() + 1,
+        buffer = bufnr,
+      })
+    elseif query.captures[id] == "resolver" then
+      elements[#elements].resolver = get_node_text(node, bufnr)
+    end
+  end
+
+  return elements
+end
+
+--- gets the graphql function defined on a given buffer
+--- @param opts table: options to pass to the picker
+gateway.graphql_definitions = function(opts)
+  opts = opts or {}
+  pickers
+    .new(opts, {
+      promt_title = "Queries",
+      finder = finders.new_table {
+        results = get_all_definitions(),
+        entry_maker = function(entry)
+          -- buffer = 43,
+          -- lnum = 82,
+          -- resolver = "'@=mutation(\"App\\\\GraphQL\\\\Mutation\\\\Mutation::action\", ...)'",
+          -- value = "deleteVehicleImage"
+          return {
+            value = entry,
+            display = entry.value,
+            ordinal = entry.value,
+            path = vim.api.nvim_buf_get_name(entry.buffer),
+            lnum = entry.lnum,
+            resolver = entry.resolver,
+          }
+        end,
+      },
+      sorter = conf.generic_sorter(opts),
+      previewer = conf.grep_previewer(opts),
+      attach_mappings = function(prompt_bufnr, map)
+        action_set.select:enhance {
+          post = function()
+            local selection = action_state.get_selected_entry()
+            vim.api.nvim_win_set_cursor(0, { selection.lnum, 0 })
+          end,
+        }
+        map("i", "<c-o>", function()
+          actions.close(prompt_bufnr)
+          local selection = action_state.get_selected_entry()
+          open_resolver(selection.resolver)
+        end)
+        return true
+      end,
+    })
+    :find()
+end
+
+return gateway