feat(ui): display outdated servers (#395)

3 files changed, 154 insertions, 13 deletions

diff --git a/lua/nvim-lsp-installer/core/clients/eclipse.lua b/lua/nvim-lsp-installer/core/clients/eclipse.lua
new file mode 100644
index 00000000..a788f2e2
--- /dev/null
+++ b/lua/nvim-lsp-installer/core/clients/eclipse.lua
@@ -0,0 +1,21 @@
+local fetch = require "nvim-lsp-installer.core.fetch"
+local M = {}
+
+---@param version string The version string as found in the latest.txt endpoint.
+---@return string The parsed version number.
+function M._parse_jdtls_version_string(version)
+    return vim.trim(version):gsub("^jdt%-language%-server%-", ""):gsub("%.tar%.gz$", "")
+end
+
+---@param callback fun(err: string|nil, data: string|nil)
+function M.fetch_latest_jdtls_version(callback)
+    fetch("https://download.eclipse.org/jdtls/snapshots/latest.txt", function(err, data)
+        if err then
+            callback(err, nil)
+        else
+            callback(nil, M._parse_jdtls_version_string(data))
+        end
+    end)
+end
+
+return M
diff --git a/lua/nvim-lsp-installer/core/clients/github.lua b/lua/nvim-lsp-installer/core/clients/github.lua
new file mode 100644
index 00000000..080edbb0
--- /dev/null
+++ b/lua/nvim-lsp-installer/core/clients/github.lua
@@ -0,0 +1,82 @@
+local fetch = require "nvim-lsp-installer.core.fetch"
+local Data = require "nvim-lsp-installer.data"
+local log = require "nvim-lsp-installer.log"
+
+local list_find_first = Data.list_find_first
+
+local M = {}
+
+---@alias GitHubRelease {tag_name:string, prerelease: boolean, draft: boolean}
+---@alias GitHubTag {name: string}
+
+---@param repo string The GitHub repo ("username/repo").
+---@param callback fun(error: string|nil, data: GitHubRelease[]|nil)
+function M.fetch_releases(repo, callback)
+    log.fmt_trace("Fetching GitHub releases for repo=%s", repo)
+    fetch(("https://api.github.com/repos/%s/releases"):format(repo), function(err, response)
+        if err then
+            log.fmt_error("Failed to fetch releases for repo=%s", repo)
+            return callback("Failed to fetch GitHub releases.", nil)
+        end
+        callback(nil, vim.json.decode(response))
+    end)
+end
+
+---@alias FetchLatestGithubReleaseOpts {tag_name_pattern:string}
+---@param repo string The GitHub repo ("username/repo").
+---@param opts FetchLatestGithubReleaseOpts|nil
+---@param callback fun(error: string|nil, data: GitHubRelease|nil)
+function M.fetch_latest_release(repo, opts, callback)
+    M.fetch_releases(repo, function(err, releases)
+        if err then
+            callback(err, nil)
+            return
+        end
+
+        local latest_release = list_find_first(releases, function(_release)
+            ---@type GitHubRelease
+            local release = _release
+            local is_stable_release = not release.prerelease and not release.draft
+            if opts.tag_name_pattern then
+                return is_stable_release and release.tag_name:match(opts.tag_name_pattern)
+            end
+            return is_stable_release
+        end)
+
+        if not latest_release then
+            log.fmt_info("Failed to find latest release. repo=%s, opts=%s", repo, opts)
+            return callback("Failed to find latest release.", nil)
+        end
+
+        log.fmt_debug("Resolved latest version repo=%s, tag_name=%s", repo, latest_release.tag_name)
+        callback(nil, latest_release)
+    end)
+end
+
+---@param repo string The GitHub repo ("username/repo").
+---@param callback fun(err: string|nil, tags: GitHubTag[]|nil)
+function M.fetch_tags(repo, callback)
+    fetch(("https://api.github.com/repos/%s/tags"):format(repo), function(err, response)
+        if err then
+            log.fmt_error("Failed to fetch tags for repo=%s", err)
+            return callback("Failed to fetch tags.", nil)
+        end
+        callback(nil, vim.json.decode(response))
+    end)
+end
+
+---@param repo string The GitHub repo ("username/repo").
+---@param callback fun(err: string|nil, latest_tag: GitHubTag|nil)
+function M.fetch_latest_tag(repo, callback)
+    M.fetch_tags(repo, function(err, tags)
+        if err then
+            return callback(err, nil)
+        end
+        if vim.tbl_count(tags) == 0 then
+            return callback("No tags found.", nil)
+        end
+        callback(nil, tags[1])
+    end)
+end
+
+return M
diff --git a/lua/nvim-lsp-installer/core/receipt.lua b/lua/nvim-lsp-installer/core/receipt.lua
index 5808dfeb..834bb68c 100644
--- a/lua/nvim-lsp-installer/core/receipt.lua
+++ b/lua/nvim-lsp-installer/core/receipt.lua
@@ -1,41 +1,62 @@
 local M = {}
 
----@alias InstallerReceiptSource table
+---@alias InstallReceiptSchemaVersion
+---| '"1.0"'
+---| '"1.0a"'
+
+---@alias InstallReceiptSourceType
+---| '"npm"'
+---| '"pip3"'
+---| '"gem"'
+---| '"go"'
+---| '"dotnet"'
+---| '"unmanaged"'
+---| '"system"'
+---| '"jdtls"'
+---| '"git"'
+---| '"github_tag"'
+---| '"github_release_file"'
+
+---@alias InstallReceiptSource {type: InstallReceiptSourceType}
 
 ---@class InstallReceiptBuilder
----@field private secondary_sources InstallerReceiptSource[]
+---@field public is_marked_invalid boolean Whether this instance of the builder has been marked as invalid. This is an exception that only apply to a few select servers whose installation is not yet compatible with the receipt schema due to having a too complicated installation structure.
+---@field private secondary_sources InstallReceiptSource[]
 ---@field private epoch_time number
 local InstallReceiptBuilder = {}
 InstallReceiptBuilder.__index = InstallReceiptBuilder
 
 function InstallReceiptBuilder.new()
     return setmetatable({
+        is_marked_invalid = false,
         secondary_sources = {},
     }, InstallReceiptBuilder)
 end
 
+function InstallReceiptBuilder:mark_invalid()
+    self.is_marked_invalid = true
+    return self
+end
+
 ---@param name string
 function InstallReceiptBuilder:with_name(name)
     self.name = name
     return self
 end
 
----@alias InstallerReceiptSchemaVersion
----| '"1.0"'
-
----@param version InstallerReceiptSchemaVersion
+---@param version InstallReceiptSchemaVersion
 function InstallReceiptBuilder:with_schema_version(version)
     self.schema_version = version
     return self
 end
 
----@param source InstallerReceiptSource
+---@param source InstallReceiptSource
 function InstallReceiptBuilder:with_primary_source(source)
     self.primary_source = source
     return self
 end
 
----@param source InstallerReceiptSource
+---@param source InstallReceiptSource
 function InstallReceiptBuilder:with_secondary_source(source)
     table.insert(self.secondary_sources, source)
     return self
@@ -81,7 +102,7 @@ function InstallReceiptBuilder:build()
     }
 end
 
----@param type string
+---@param type InstallReceiptSourceType
 local function package_source(type)
     ---@param package string
     return function(package)
@@ -103,13 +124,12 @@ function InstallReceiptBuilder.system(dependency)
 end
 
 ---@param remote_url string
----@param revision string
-function InstallReceiptBuilder.git_remote(remote_url, revision)
-    return { type = "git", remote = remote_url, revision = revision }
+function InstallReceiptBuilder.git_remote(remote_url)
+    return { type = "git", remote = remote_url }
 end
 
 ---@param ctx ServerInstallContext
----@param opts UseGithubReleaseOpts|nil
+---@param opts FetchLatestGithubReleaseOpts|nil
 function InstallReceiptBuilder.github_release_file(ctx, opts)
     opts = opts or {}
     return {
@@ -129,6 +149,24 @@ function InstallReceiptBuilder.github_tag(ctx)
     }
 end
 
+---@class InstallReceipt
+---@field public name string
+---@field public schema_version InstallReceiptSchemaVersion
+---@field public metrics {start_time:integer, completion_time:integer}
+---@field public primary_source InstallReceiptSource
+---@field public secondary_sources InstallReceiptSource[]
+local InstallReceipt = {}
+InstallReceipt.__index = InstallReceipt
+
+function InstallReceipt.new(props)
+    return setmetatable(props, InstallReceipt)
+end
+
+function InstallReceipt.from_json(json)
+    return InstallReceipt.new(json)
+end
+
 M.InstallReceiptBuilder = InstallReceiptBuilder
+M.InstallReceipt = InstallReceipt
 
 return M