Can load some basic business info from YELP

.gitignore

@@ -4,3 +4,4 @@
 /.shards/
 *.dwarf
 /data/ui/compiled
+api_key

README.md

@@ -10,7 +10,9 @@ You gotta have blueprint installed
 pacman -S blueprint-compiler crystal shards libadwaita
 ```
 
-Then you can test run with
+Then you gotta get an API key from YELP and put it in the file `api_key` at the root of the project
+
+Then you can run the program with
 
 ```
 crystal run src/gtktest.cr

data/ui/main.blp

@@ -29,5 +29,15 @@ Adw.ApplicationWindow mainWindow {
         icon-name: "edit-find";
       }
     }
+
+    Gtk.ScrolledWindow {
+      vexpand: true;
+
+      Gtk.ListBox searchResults {
+        margin-top: 14;
+        margin-start: 14;
+        margin-end: 14;
+      }
+    }
   }
-}
+}

data/ui/templates.blp

@@ -0,0 +1,27 @@
+using Gtk 4.0;
+using Adw 1;
+
+template Wince-BusinessRow : Gtk.ListBoxRow {
+  styles ["card"]
+  margin-bottom: 14;
+  Gtk.Box {
+    orientation: vertical;
+    margin-start: 8;
+    margin-top: 8;
+
+    Gtk.Label businessName {
+      styles ["heading"]
+      xalign: 0;
+    }
+
+    Gtk.Label businessRating {
+      xalign: 0;
+    }
+    Gtk.Label businessHours {
+      xalign: 0;
+    }
+    Gtk.LinkButton businessWebsite {
+      halign: start;
+    }
+  }
+}

data/wince.gresource.xml

@@ -2,5 +2,6 @@
 <gresources>
   <gresource prefix="/wince">
     <file compressed="true" preprocess="xml-stripblanks">ui/compiled/main.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">ui/compiled/templates.ui</file>
   </gresource>
 </gresources>

shard.lock

@@ -1,12 +1,13 @@
+# NOTICE: This lockfile contains some overrides from shard.override.yml
 version: 2.0
 shards:
   gi-crystal:
     git: https://github.com/hugopl/gi-crystal.git
-    version: 0.14.0
+    version: 0.14.0+git.commit.569f8d4b77effe312c642fc60929000e3e9514e2
 
-  gtk4:
+  gtk4: # Overridden
     git: https://github.com/hugopl/gtk4.cr.git
-    version: 0.12.0
+    version: 0.12.0+git.commit.ef2eb03b38b25ea2780e83cf50af3a6807ac6293
 
   libadwaita:
     git: https://github.com/geopjr/libadwaita.cr.git

shard.override.yml

@@ -0,0 +1,4 @@
+dependencies:
+  gtk4:
+    github: hugopl/gtk4.cr
+    branch: master

src/modules/api/yelp.cr

@@ -0,0 +1,29 @@
+require "http/client"
+require "io"
+
+module Wince::Yelp
+  extend self
+
+  @@token : String = {{ read_file("./api_key") }}
+
+  def search_businesses(search : String, location : String)
+    
+    params = URI::Params.encode({
+      location: location,
+      term: search,
+      sort_by: "best_match"
+    })
+    uri = URI.new(
+      scheme: "https",
+      host: "api.yelp.com",
+      path: "/v3/businesses/search",
+      query: params
+    )
+    headers = HTTP::Headers{ "Authorization" => "Bearer " + @@token }
+    response = HTTP::Client.get(uri, headers)
+  end
+end
+
+#response = Wince::Yelp.search_businesses("miss saigon", "94610")
+#puts response.status_code
+#puts response.body

src/modules/templates/businessrow.cr

@@ -0,0 +1,26 @@
+module Wince
+  @[Gtk::UiTemplate(resource: "/wince/ui/compiled/templates.ui", children: %w(businessName businessRating businessHours businessWebsite))]
+  class BusinessRow < Gtk::ListBoxRow
+    include Gtk::WidgetTemplate
+
+    @name : Gtk::Label
+    @rating : Gtk::Label
+    @hours : Gtk::Label
+    @website : Gtk::LinkButton
+
+    def initialize(name : String, rating : String, hours : String, website : String)
+      super()
+
+      @name = Gtk::Label.cast(template_child("businessName"))
+      @rating = Gtk::Label.cast(template_child("businessRating"))
+      @hours = Gtk::Label.cast(template_child("businessHours"))
+      @website = Gtk::LinkButton.cast(template_child("businessWebsite"))
+
+      @name.text = name
+      @rating.text = rating
+      @hours.text = hours
+      @website.uri = website
+      @website.label = "view on yelp"
+    end
+  end
+end

src/modules/views/main.cr

@@ -1,5 +1,11 @@
+require "json"
+
+require "../templates/businessrow.cr"
+require "../api/yelp.cr"
+
 module Wince
   @@main_window_id = 0_u32
+  @@business_rows = [] of BusinessRow
 
   def activate(app : Adw::Application)
     main_window = APP.window_by_id(@@main_window_id)
@@ -12,14 +18,49 @@ module Wince
 
     SEARCH_BUTTON.clicked_signal.connect do
       handle_search
-    end  
+    end
 
     window.present
   end
 
+  def yelp_response_to_business_rows(response : String)
+    businesses = JSON.parse(response)["businesses"].as_a
+
+    businesses.map do |business|
+      name = business["name"].as_s? || ""
+      rating = business["rating"].as_f.to_s
+      hours = business["is_closed"].as_bool.to_s
+      website = business["url"].as_s? || ""
+
+      BusinessRow.new(name, rating, hours, website)
+    end
+  end
+
+  def clear_business_rows
+    @@business_rows.each { |row| BUSINESS_LIST.remove(row) }
+  end
+
   def handle_search
-    puts "searched for " + SEARCH_ENTRY.buffer.text
-    puts "location for " + LOCATION_ENTRY.buffer.text
+    search = SEARCH_ENTRY.buffer.text
+    location = LOCATION_ENTRY.buffer.text
+
+    if !search || !location
+      return
+    end
+
+    response = Yelp.search_businesses(search, location)
+
+    if response.status_code != 200
+      puts "api call error"
+      puts response.body
+      return #TODO: show a toast here
+    end
+
+    clear_business_rows()
+    @@business_rows = yelp_response_to_business_rows(response.body)
+    @@business_rows.each do |row|
+      BUSINESS_LIST.append(row)
+    end
   end
 
   APP.activate_signal.connect(->activate(Adw::Application))

src/wince.cr

@@ -9,6 +9,7 @@ module Wince
   SEARCH_ENTRY = Gtk::Entry.cast(B_UI["searchEntry"])
   LOCATION_ENTRY = Gtk::Entry.cast(B_UI["locationEntry"])
   SEARCH_BUTTON = Gtk::Button.cast(B_UI["searchButton"])
+  BUSINESS_LIST = Gtk::ListBox.cast(B_UI["searchResults"])
 
   APP = Adw::Application.new("dev.wince", Gio::ApplicationFlags::None)
 end