Github activity widget

github-activity-widget/github-activity-widget.lua

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+-------------------------------------------------
+-- GitHub Widget for Awesome Window Manager
+-- Shows the number of currently assigned issues
+-- More details could be found here:
+-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/github-activity-widget
+
+-- @author Pavel Makhov
+-- @copyright 2020 Pavel Makhov
+-------------------------------------------------
+
+local awful = require("awful")
+local wibox = require("wibox")
+local json = require("json")
+local spawn = require("awful.spawn")
+local naughty = require("naughty")
+local gears = require("gears")
+local beautiful = require("beautiful")
+local gfs = require("gears.filesystem")
+
+
+local HOME_DIR = os.getenv("HOME")
+local WIDGET_DIR = HOME_DIR .. '/.config/awesome/awesome-wm-widgets/github-activity-widget/'
+local ICONS_DIR = WIDGET_DIR .. 'icons/'
+local CACHE_DIR = HOME_DIR .. '/.cache/awmw/github-activity-widget/'
+
+local GET_ISSUES_CMD = [[bash -c "cat /home/pmakhov/.cache/awmw/github-activity-widget/activity.json | jq '.[:%d] | [.[] | {type: .type, actor: .actor, repo: .repo, action: .payload.action, issue_url: .payload.issue.html_url, pr_url: .payload.pull_request.html_url, created_at: .created_at}]'"]]
+local DOWNLOAD_AVATAR_CMD = [[bash -c "curl -n --create-dirs -o  %s/avatars/%s %s"]]
+local UPDATE_EVENTS_CMD = [[bash -c "curl -s --show-error https://api.github.com/users/%s/received_events > ~/.cache/awmw/github-activity-widget/activity.json"]]
+
+--- Utility function to show warning messages
+local function show_warning(message)
+    naughty.notify{
+        preset = naughty.config.presets.critical,
+        title = 'GitHub Activity Widget',
+        text = message}
+end
+
+--- Converts string representation of date to date
+local function parse_date(date_str)
+    local pattern = "(%d+)%-(%d+)%-(%d+)T(%d+):(%d+):(%d+)%Z"
+    local y, m, d, h, min, sec, mil = date_str:match(pattern)
+
+    return os.time{year = y, month = m, day = d, hour = h, min = min, sec = sec}
+end
+
+--- Converts seconds to "time ago" represenation, like '1 hour ago'
+local function to_time_ago(seconds)
+    local days = seconds / 86400
+    if days > 1 then
+        days = math.floor(days + 0.5)
+        return days .. (days == 1 and ' day' or ' days') .. ' ago'
+    end
+
+    local hours = (seconds % 86400) / 3600
+    if hours > 1 then
+        hours = math.floor(hours + 0.5) 
+        return hours .. (hours == 1 and ' hour' or ' hours') .. ' ago'
+    end
+
+    local minutes = ((seconds % 86400) % 3600) / 60
+    if minutes > 1 then
+        minutes = math.floor(minutes + 0.5)
+        return minutes .. (minutes == 1 and ' minute' or ' minutes') .. ' ago'
+    end
+end
+
+
+local popup = awful.popup{
+    ontop = true,
+    visible = false,
+    shape = gears.shape.rounded_rect,
+    border_width = 1,
+    border_color = beautiful.bg_focus,
+    maximum_width = 350,
+    offset = { y = 5 },
+    widget = {}
+}
+
+local type_to_text_mapping = {
+    WatchEvent = 'starred',
+    CommitCommentEvent = '',
+    CreateEvent = 'created',
+    DeleteEvent = '',
+    ForkEvent = 'forked',
+    GollumEvent = '',
+    IssueCommentEvent = '',
+    IssuesEvent = '',
+    MemberEvent = '',
+    PublicEvent = '',
+    PullRequestEvent = '',
+    PullRequestReviewCommentEvent = '',
+    PushEvent = 'pushed',
+    ReleaseEvent = '',
+    SponsorshipEvent = ''
+}
+
+local function generate_action_string(event)
+    local action_string = type_to_text_mapping[event.type]
+    local icon = 'repo.svg'
+    local link = 'http://github.com/' .. event.repo.name
+
+    if (event.type == "PullRequestEvent") then
+        action_string = event.action .. ' a pull request in'
+        link = event.pr_url
+        icon = 'pr.svg'
+    elseif (event.type == "IssuesEvent") then
+        action_string = event.action .. ' an issue in'
+        link = event.issue_url
+        icon = 'issue.svg'
+    elseif (event.type == "IssueCommentEvent") then
+        action_string = event.action == 'created' and 'commented in issue' or event.action .. ' a comment in'
+        link = event.issue_url
+        icon = 'comment.svg'
+    elseif (event.type == "WatchEvent") then
+        action_string = 'starred'
+        link = 'http://github.com/' .. event.repo.name
+        icon = 'star.svg'
+    elseif (event.type == "ForkEvent") then
+        action_string = 'forked'
+        link = 'http://github.com/' .. event.repo.name
+        icon = 'fork.svg'
+    end
+
+    return { action_string = action_string, link = link, icon = icon }
+end
+
+local github_widget = wibox.widget {
+    {
+        {
+            id = 'icon',
+            widget = wibox.widget.imagebox
+        },
+        id = "m",
+        margins = 4,
+        layout = wibox.container.margin
+    },
+    {
+        id = "txt",
+        widget = wibox.widget.textbox
+    },
+    {
+        id = "new_rev",
+        widget = wibox.widget.textbox
+    },
+    layout = wibox.layout.fixed.horizontal,
+    set_icon = function(self, new_icon)
+        self.m.icon.image = new_icon
+    end,
+    set_text = function(self, new_value)
+        self.txt.text = new_value
+    end,
+    set_unseen_review = function(self, is_new_review)
+        self.new_rev.text = is_new_review and '*' or ''
+    end
+}
+
+
+local function worker(args)
+
+    local args = args or {}
+
+    local icon = args.icon or ICONS_DIR .. 'github.png'
+    local username = args.username or show_warning('No username provided')
+    local number_of_events = args.number_of_events or 10
+
+    github_widget:set_icon(icon)
+
+    local current_number_of_reviews
+    local previous_number_of_reviews = 0
+
+    local rows = {
+        { widget = wibox.widget.textbox },
+        layout = wibox.layout.fixed.vertical,
+    }
+
+    local update_widget = function(widget, stdout, stderr, _, _)
+        if stderr ~= '' then
+            show_warning(stderr)
+            return
+        end
+
+        local current_time = os.time(os.date("!*t"))
+
+        local result = json.decode(stdout)
+
+        current_number_of_reviews = rawlen(result)
+
+        if current_number_of_reviews == 0 then
+            widget:set_visible(false)
+            return
+        end
+
+        widget:set_visible(true)
+        -- widget:set_text(current_number_of_reviews)
+
+        for i = 0, #rows do rows[i]=nil end
+        for _, issue in ipairs(result) do
+            local path_to_avatar = CACHE_DIR .. '/avatars/' .. issue.actor.id
+
+            if not gfs.file_readable(path_to_avatar) then
+                spawn.easy_async(string.format(
+                        DOWNLOAD_AVATAR_CMD,
+                        CACHE_DIR,
+                        issue.actor.id,
+                        issue.actor.avatar_url))
+            end
+
+            local action_and_link = generate_action_string(issue)
+
+            local row = wibox.widget {
+                {
+                    {
+                        {
+                            {
+                                resize = true,
+                                image = path_to_avatar,
+                                forced_width = 40,
+                                forced_height = 40,
+                                widget = wibox.widget.imagebox
+                            },
+                            margins = 8,
+                            layout = wibox.container.margin
+                        },
+                        {
+                            {
+                                markup = '<b> ' .. issue.actor.display_login .. '</b> ' .. action_and_link.action_string .. ' <b>' .. issue.repo.name .. '</b>',
+                                wrap = 'word',
+                                widget = wibox.widget.textbox
+                            },
+                            {
+                                {
+                                    {
+                                        image = ICONS_DIR .. action_and_link.icon,
+                                        resize = true,
+                                        forced_height = 16,
+                                        forced_width = 16,
+                                        widget = wibox.widget.imagebox
+                                    },
+                                    valign = 'center',
+                                    layout = wibox.container.place
+                                },
+                                {
+                                    markup = to_time_ago(os.difftime(current_time, parse_date(issue.created_at))),
+                                    widget = wibox.widget.textbox
+                                },
+                                spacing = 4,
+                                layout = wibox.layout.fixed.horizontal,
+                            },
+                            layout = wibox.layout.align.vertical
+                        },
+                        spacing = 4,
+                        layout = wibox.layout.fixed.horizontal
+                    },
+                    margins = 4,
+                    layout = wibox.container.margin
+                },
+                bg = beautiful.bg_normal,
+                widget = wibox.container.background
+            }
+
+            row:connect_signal("mouse::enter", function(c) c:set_bg(beautiful.bg_focus) end)
+            row:connect_signal("mouse::leave", function(c) c:set_bg(beautiful.bg_normal) end)
+
+            row:buttons(
+                    awful.util.table.join(
+                            awful.button({}, 1, function()
+                                spawn.with_shell("xdg-open " .. action_and_link.link)
+                                popup.visible = false
+                            end)
+                    )
+            )
+
+            table.insert(rows, row)
+        end
+
+        popup:setup(rows)
+    end
+
+    github_widget:buttons(
+            awful.util.table.join(
+                    awful.button({}, 1, function()
+                        if popup.visible then
+                            popup.visible = not popup.visible
+                        else
+                            spawn.easy_async(string.format(GET_ISSUES_CMD, number_of_events), function (stdout, stderr)
+                                update_widget(github_widget, stdout, stderr)
+                                popup:move_next_to(mouse.current_widget_geometry)
+                            end)
+                        end
+                    end)
+            )
+    )
+
+    gears.timer {
+        timeout   = 600,
+        call_now  = true,
+        autostart = true,
+        callback  = function()
+            spawn.easy_async(string.format(UPDATE_EVENTS_CMD, username), function(stdout, stderr)
+                if stderr ~= '' then
+                    show_warning(stderr)
+                    return
+                end
+            end)
+        end
+    }
+    return github_widget
+end
+
+return setmetatable(github_widget, { __call = function(_, ...) return worker(...) end })

github-activity-widget/icons/comment.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" fill-rule="evenodd" d="M14 1H2c-.55 0-1 .45-1 1v8c0 .55.45 1 1 1h2v3.5L7.5 11H14c.55 0 1-.45 1-1V2c0-.55-.45-1-1-1zm0 9H7l-2 2v-2H2V2h12v8z"></path></svg>

github-activity-widget/icons/fork.svg

@@ -0,0 +1 @@
+<?xml version="1.0" ?><svg height="1024" width="640" xmlns="http://www.w3.org/2000/svg"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" d="M512 192c-70.625 0-128 57.344-128 128 0 47.219 25.875 88.062 64 110.281V448c0 0 0 128-128 128-53.062 0-94.656 11.375-128 28.812V302.28099999999995c38.156-22.219 64-63.062 64-110.281 0-70.656-57.344-128-128-128S0 121.34400000000005 0 192c0 47.219 25.844 88.062 64 110.281V721.75C25.844 743.938 0 784.75 0 832c0 70.625 57.344 128 128 128s128-57.375 128-128c0-33.5-13.188-63.75-34.25-86.625C240.375 722.5 270.656 704 320 704c254 0 256-256 256-256v-17.719c38.125-22.219 64-63.062 64-110.281C640 249.34400000000005 582.625 192 512 192zM128 128c35.406 0 64 28.594 64 64s-28.594 64-64 64-64-28.594-64-64S92.594 128 128 128zM128 896c-35.406 0-64-28.625-64-64 0-35.312 28.594-64 64-64s64 28.688 64 64C192 867.375 163.406 896 128 896zM512 384c-35.375 0-64-28.594-64-64s28.625-64 64-64 64 28.594 64 64S547.375 384 512 384z"/></svg>

github-activity-widget/icons/issue.svg

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+<?xml version="1.0" ?><svg height="1024" width="896" xmlns="http://www.w3.org/2000/svg"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" d="M448 64C200.562 64 0 264.562 0 512c0 247.438 200.562 448 448 448 247.438 0 448-200.562 448-448C896 264.562 695.438 64 448 64zM448 832c-176.781 0-320-143.25-320-320 0-176.781 143.219-320 320-320 176.75 0 320 143.219 320 320C768 688.75 624.75 832 448 832zM384 768h128V640H384V768zM384 576h128V256H384V576z"/></svg>

github-activity-widget/icons/pr.svg

@@ -0,0 +1 @@
+<?xml version="1.0" ?><svg height="1024" width="768" xmlns="http://www.w3.org/2000/svg"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" d="M128 64C57.344 64 0 121.34400000000005 0 192c0 47.219 25.906 88.062 64 110.281V721.75C25.906 743.938 0 784.75 0 832c0 70.625 57.344 128 128 128s128-57.375 128-128c0-47.25-25.844-88.062-64-110.25V302.28099999999995c38.156-22.219 64-63.062 64-110.281C256 121.34400000000005 198.656 64 128 64zM128 896c-35.312 0-64-28.625-64-64 0-35.312 28.688-64 64-64 35.406 0 64 28.688 64 64C192 867.375 163.406 896 128 896zM128 256c-35.312 0-64-28.594-64-64s28.688-64 64-64c35.406 0 64 28.594 64 64S163.406 256 128 256zM704 721.75V320c0-192.5-192-192-192-192h-64V0L256 192l192 192V256c0 0 26.688 0 64 0 56.438 0 64 64 64 64v401.75c-38.125 22.188-64 62.938-64 110.25 0 70.625 57.375 128 128 128s128-57.375 128-128C768 784.75 742.125 743.938 704 721.75zM640 896c-35.312 0-64-28.625-64-64 0-35.312 28.688-64 64-64 35.375 0 64 28.688 64 64C704 867.375 675.375 896 640 896z"/></svg>

github-activity-widget/icons/repo.svg

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+<?xml version="1.0" ?><svg height="1024" width="768" xmlns="http://www.w3.org/2000/svg"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" d="M320 256h-64v64h64V256zM320 128h-64v64h64V128zM704 0H64C64 0 0 0 0 64v768c0 64 64 64 64 64h128v128l96-96 96 96V896h320c0 0 64-1.125 64-64V64C768 0 704 0 704 0zM704 768c0 61.625-64 64-64 64H384v-64H192v64h-64c-64 0-64-64-64-64v-64h640V768zM704 640H192V64h513L704 640zM320 512h-64v64h64V512zM320 384h-64v64h64V384z"/></svg>

github-activity-widget/icons/star.svg

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+<?xml version="1.0" ?><svg height="1024" width="896" xmlns="http://www.w3.org/2000/svg"><style type="text/css"><![CDATA[.white{fill: #ffffff;}]]></style><path class="white" d="M896 384l-313.5-40.781L448 64 313.469 343.219 0 384l230.469 208.875L171 895.938l277-148.812 277.062 148.812L665.5 592.875 896 384z"/></svg>