Add stackoverflow widget

1 files changed, 123 insertions, 0 deletions

diff --git a/stackoverflow-widget/stackoverflow.lua b/stackoverflow-widget/stackoverflow.lua
new file mode 100644
index 0000000..3ac9bfe
--- /dev/null
+++ b/stackoverflow-widget/stackoverflow.lua
@@ -0,0 +1,123 @@
+-------------------------------------------------
+-- Stackoverflow Widget for Awesome Window Manager
+-- Shows new questions by a given tag
+-- More details could be found here:
+-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/stackoverflow-widget
+
+-- @author Pavel Makhov
+-- @copyright 2019 Pavel Makhov
+-------------------------------------------------
+
+local awful = require("awful")
+local wibox = require("wibox")
+local watch = require("awful.widget.watch")
+local json = require("json")
+local spawn = require("awful.spawn")
+local gears = require("gears")
+local beautiful = require("beautiful")
+
+local HOME_DIR = os.getenv("HOME")
+
+local GET_QUESTIONS_CMD = [[bash -c "curl --compressed -s -X GET 'http://api.stackexchange.com/2.2/questions/no-answers?page=1&pagesize=%s&order=desc&sort=activity&tagged=%s&site=stackoverflow'"]]
+
+local stackoverflow_widget = {}
+
+local function worker(args)
+
+    local args = args or {}
+
+    local icon = args.icon or HOME_DIR .. '/.config/awesome/awesome-wm-widgets/stackoverflow-widget/so-icon.svg'
+    local limit = args.limit or 5
+    local tagged = args.tagged or 'awesome-wm'
+
+    local rows = {
+        { widget = wibox.widget.textbox },
+        layout = wibox.layout.fixed.vertical,
+    }
+
+    local popup = awful.popup{
+        visible = true,
+        ontop = true,
+        visible = false,
+        shape = gears.shape.rounded_rect,
+        border_width = 1,
+        border_color = beautiful.bg_focus,
+        maximum_width = 400,
+        preferred_positions = top,
+        offset = { y = 5 },
+        widget = {}
+    }
+
+    stackoverflow_widget = wibox.widget {
+        {
+            image = icon,
+            widget = wibox.widget.imagebox
+        },
+        {
+            id = "txt",
+            widget = wibox.widget.textbox
+        },
+        layout = wibox.layout.fixed.horizontal,
+        set_text = function(self, new_value)
+            self.txt.text = new_value
+        end,
+    }
+
+    local update_widget = function(widget, stdout, stderr, _, _)
+
+        local result = json.decode(stdout)
+
+        for i = 0, #rows do rows[i]=nil end
+        for _, item in ipairs(result.items) do
+            local tags = ''
+            for i = 1, #item.tags do tags = tags .. item.tags[i] .. ' ' end
+            local row = wibox.widget {
+                {
+                    {
+                        {
+                            text = item.title,
+                            widget = wibox.widget.textbox
+                        },
+                        {
+                            text = tags,
+                            align = 'right',
+                            widget = wibox.widget.textbox
+                        },
+                        layout = wibox.layout.align.vertical
+                    },
+                    margins = 8,
+                    layout = wibox.container.margin
+                },
+                widget = wibox.container.background
+            }
+
+            row:connect_signal("button::release", function(_, _, _, button)
+                spawn.with_shell("google-chrome " .. item.link)
+                popup.visible = false
+            end)
+
+            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)
+
+            table.insert(rows, row)
+        end
+
+        popup:setup(rows)
+    end
+
+    stackoverflow_widget:buttons(
+            awful.util.table.join(
+                    awful.button({}, 1, function()
+                        if popup.visible then
+                            popup.visible = not popup.visible
+                        else
+                            popup:move_next_to(mouse.current_widget_geometry)
+                        end
+                    end)
+            )
+    )
+    watch(string.format(GET_QUESTIONS_CMD, limit, tagged),  300, update_widget, stackoverflow_widget)
+    return stackoverflow_widget
+end
+
+return setmetatable(stackoverflow_widget, { __call = function(_, ...) return worker(...) end })