feat: add apex_ls (#746)

Closes #701.

9 files changed, 67 insertions, 3 deletions

diff --git a/lua/nvim-lsp-installer/_generated/filetype_map.lua b/lua/nvim-lsp-installer/_generated/filetype_map.lua
index 31470631..6ecc014e 100644
--- a/lua/nvim-lsp-installer/_generated/filetype_map.lua
+++ b/lua/nvim-lsp-installer/_generated/filetype_map.lua
@@ -2,6 +2,7 @@
 -- stylua: ignore start
 return {
   OpenFOAM = { "foam_ls" },
+  apexcode = { "apex_ls" },
   arduino = { "arduino_language_server" },
   asm = { "asm_lsp" },
   aspnetcorerazor = { "tailwindcss" },
diff --git a/lua/nvim-lsp-installer/_generated/metadata.lua b/lua/nvim-lsp-installer/_generated/metadata.lua
index 4de4b005..c0986d4c 100644
--- a/lua/nvim-lsp-installer/_generated/metadata.lua
+++ b/lua/nvim-lsp-installer/_generated/metadata.lua
@@ -7,6 +7,9 @@ return {
   ansiblels = {
     filetypes = { "yaml.ansible" }
   },
+  apex_ls = {
+    filetypes = { "apexcode" }
+  },
   arduino_language_server = {
     filetypes = { "arduino" }
   },
diff --git a/lua/nvim-lsp-installer/core/functional/init.lua b/lua/nvim-lsp-installer/core/functional/init.lua
index 6987e1a7..3e29037f 100644
--- a/lua/nvim-lsp-installer/core/functional/init.lua
+++ b/lua/nvim-lsp-installer/core/functional/init.lua
@@ -32,6 +32,7 @@ _.concat = list.concat
 _.zip_table = list.zip_table
 _.nth = list.nth
 _.head = list.head
+_.length = list.length
 
 -- relation
 local relation = require "nvim-lsp-installer.core.functional.relation"
@@ -62,6 +63,7 @@ local string = require "nvim-lsp-installer.core.functional.string"
 _.matches = string.matches
 _.format = string.format
 _.split = string.split
+_.gsub = string.gsub
 
 -- table
 local tbl = require "nvim-lsp-installer.core.functional.table"
diff --git a/lua/nvim-lsp-installer/core/functional/list.lua b/lua/nvim-lsp-installer/core/functional/list.lua
index c12330dd..89393cfb 100644
--- a/lua/nvim-lsp-installer/core/functional/list.lua
+++ b/lua/nvim-lsp-installer/core/functional/list.lua
@@ -115,4 +115,9 @@ end, 2)
 
 _.head = _.nth(1)
 
+---@param value string|any[]
+_.length = function(value)
+    return #value
+end
+
 return _
diff --git a/lua/nvim-lsp-installer/core/functional/string.lua b/lua/nvim-lsp-installer/core/functional/string.lua
index 3fd3aa03..212fc0d9 100644
--- a/lua/nvim-lsp-installer/core/functional/string.lua
+++ b/lua/nvim-lsp-installer/core/functional/string.lua
@@ -20,4 +20,11 @@ _.split = fun.curryN(function(sep, str)
     return vim.split(str, sep)
 end, 2)
 
+---@param pattern string
+---@param repl string|function|table
+---@param str string
+_.gsub = fun.curryN(function(pattern, repl, str)
+    return string.gsub(str, pattern, repl)
+end, 3)
+
 return _
diff --git a/lua/nvim-lsp-installer/core/managers/cargo/client.lua b/lua/nvim-lsp-installer/core/managers/cargo/client.lua
index 7e69cdf4..d4f0e2a7 100644
--- a/lua/nvim-lsp-installer/core/managers/cargo/client.lua
+++ b/lua/nvim-lsp-installer/core/managers/cargo/client.lua
@@ -6,7 +6,7 @@ local M = {}
 
 ---@async
 ---@param crate string
----@return Result @of [Crate]
+---@return Result @of Crate
 function M.fetch_crate(crate)
     return fetch(("https://crates.io/api/v1/crates/%s"):format(crate)):map_catching(vim.json.decode)
 end
diff --git a/lua/nvim-lsp-installer/core/managers/github/client.lua b/lua/nvim-lsp-installer/core/managers/github/client.lua
index bf79fec6..530fee06 100644
--- a/lua/nvim-lsp-installer/core/managers/github/client.lua
+++ b/lua/nvim-lsp-installer/core/managers/github/client.lua
@@ -24,6 +24,7 @@ end
 
 ---@async
 ---@param repo string @The GitHub repo ("username/repo").
+---@return Result @of GitHubRelease[]
 function M.fetch_releases(repo)
     log.fmt_trace("Fetching GitHub releases for repo=%s", repo)
     local path = ("repos/%s/releases"):format(repo)
@@ -87,7 +88,7 @@ end
 
 ---@async
 ---@param repo string @The GitHub repo ("username/repo").
----@return Result @of [GitHubTag[]]
+---@return Result @of GitHubTag[]
 function M.fetch_tags(repo)
     local path = ("repos/%s/tags"):format(repo)
     return api_call(path):map_err(function()
@@ -97,7 +98,7 @@ end
 
 ---@async
 ---@param repo string @The GitHub repo ("username/repo").
----@return Result @of [GitHubTag]
+---@return Result @of GitHubTag
 function M.fetch_latest_tag(repo)
     return M.fetch_tags(repo):map_catching(function(tags)
         if vim.tbl_count(tags) == 0 then
diff --git a/lua/nvim-lsp-installer/servers/apex_ls/init.lua b/lua/nvim-lsp-installer/servers/apex_ls/init.lua
new file mode 100644
index 00000000..56585b78
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/apex_ls/init.lua
@@ -0,0 +1,44 @@
+local server = require "nvim-lsp-installer.server"
+local github = require "nvim-lsp-installer.core.managers.github"
+local github_client = require "nvim-lsp-installer.core.managers.github.client"
+local git = require "nvim-lsp-installer.core.managers.git"
+local Optional = require "nvim-lsp-installer.core.optional"
+local path = require "nvim-lsp-installer.core.path"
+local _ = require "nvim-lsp-installer.core.functional"
+
+return function(name, root_dir)
+    local JAR_FILE = "apex-jorje-lsp.jar"
+
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        homepage = "https://github.com/forcedotcom/salesforcedx-vscode",
+        languages = { "apex" },
+        ---@async
+        ---@param ctx InstallContext
+        installer = function(ctx)
+            local repo = "forcedotcom/salesforcedx-vscode"
+
+            -- See https://github.com/forcedotcom/salesforcedx-vscode/issues/4184#issuecomment-1146052086
+            ---@type GitHubRelease
+            local release = github_client
+                .fetch_releases(repo)
+                :map(_.find_first(_.prop_satisfies(_.compose(_.gt(0), _.length), "assets")))
+                :map(Optional.of_nilable)
+                :get_or_throw() -- Result unwrap
+                :or_else_throw "Failed to find release with assets." -- Optional unwrap
+
+            github.unzip_release_file({
+                version = Optional.of(release.tag_name),
+                asset_file = _.compose(_.format "salesforcedx-vscode-apex-%s.vsix", _.gsub("^v", "")),
+                repo = repo,
+            }).with_receipt()
+
+            ctx.fs:rename(path.concat { "extension", "out", JAR_FILE }, JAR_FILE)
+            ctx.fs:rmrf "extension"
+        end,
+        default_options = {
+            apex_jar_path = path.concat { root_dir, JAR_FILE },
+        },
+    }
+end
diff --git a/lua/nvim-lsp-installer/servers/init.lua b/lua/nvim-lsp-installer/servers/init.lua
index fc049589..861f4e09 100644
--- a/lua/nvim-lsp-installer/servers/init.lua
+++ b/lua/nvim-lsp-installer/servers/init.lua
@@ -34,6 +34,7 @@ local INSTALL_DIRS = {
 local CORE_SERVERS = _.set_of {
     "angularls",
     "ansiblels",
+    "apex_ls",
     "arduino_language_server",
     "asm_lsp",
     "astro",