Add LndHub db/models, and quick stats for admin views

app/components/quickstats_container_component.html.erb

@@ -0,0 +1,3 @@
+<dl class="grid grid-cols-2 lg:grid-cols-4 gap-6 sm:gap-12">
+  <%= content %>
+</dl>

app/components/quickstats_container_component.rb

@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+class QuickstatsContainerComponent < ViewComponent::Base
+end

app/components/quickstats_item_component.html.erb

@@ -0,0 +1,18 @@
+<div class="">
+  <dt class="mb-2 text-gray-500">
+    <%= @title %>
+  </dt>
+  <dd>
+    <% if @type == :number %>
+      <span class="text-2xl"><%= number_with_delimiter @value %></span>
+    <% else %>
+      <span class="text-2xl"><%= @value %></span>
+    <% end %>
+    <% if @unit %>
+      <span><%= @unit %></span>
+    <% end %>
+    <% if @meta %>
+      <span class="text-gray-500"><%= @meta %></span>
+    <% end %>
+  </dd>
+</div>

app/components/quickstats_item_component.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class QuickstatsItemComponent < ViewComponent::Base
+  def initialize(type:, title:, value:, unit: nil, meta: nil, icon_name: nil, icon_color_class: nil)
+    @type = type
+    @title = title
+    @value = value
+    @unit = unit
+    @meta = meta
+    @icon_name = icon_name
+    @icon_color_class = icon_color_class
+  end
+end

app/controllers/admin/donations_controller.rb

@@ -5,7 +5,11 @@ class Admin::DonationsController < Admin::BaseController
   # GET /donations
   # GET /donations.json
   def index
-    @donations = Donation.all
+    @donations = Donation.all.order('created_at desc')
+    @stats = {
+      overall_sats: @donations.all.sum("amount_sats"),
+      donor_count: Donation.distinct.count(:user_id)
+    }
   end
 
   # GET /donations/1

app/controllers/admin/invitations_controller.rb

@@ -1,8 +1,11 @@
 class Admin::InvitationsController < Admin::BaseController
   def index
     @current_section = :invitations
-    @invitations_unused_count = Invitation.unused.count
-    @users_with_referrals_count = Invitation.used.distinct.count(:user_id)
     @invitations_used = Invitation.used.order('used_at desc')
+    @stats = {
+      available: Invitation.unused.count,
+      accepted: @invitations_used.length,
+      users_with_referrals: Invitation.used.distinct.count(:user_id)
+    }
   end
 end

app/controllers/admin/lightning_controller.rb

@@ -0,0 +1,12 @@
+class Admin::LightningController < Admin::BaseController
+  def index
+    @current_section = :lightning
+
+    @users = User.pluck(:cn, :ou, :ln_account)
+    @accounts = LndhubAccount.with_balances.order(balance: :desc).to_a
+
+    @ln = {}
+    @ln[:current_balance] = LndhubAccount.current.joins(:ledgers).sum("account_ledgers.amount")
+    @ln[:users_with_sats] = @accounts.length
+  end
+end

app/models/lndhub_account.rb

@@ -0,0 +1,21 @@
+class LndhubAccount < LndhubBase
+  self.table_name = "accounts"
+  self.inheritance_column = :_type_disabled
+
+  has_many :ledgers, class_name: "LndhubAccountLedger",
+                     foreign_key: "account_id"
+
+  belongs_to :user, class_name: "LndhubUser",
+                    foreign_key: "user_id"
+
+  scope :current,  -> { where(type: "current") }
+  scope :outgoing, -> { where(type: "outgoing") }
+  scope :incoming, -> { where(type: "incoming") }
+  scope :fees,     -> { where(type: "fees") }
+
+  scope :with_balances, -> {
+    current.joins(:user).joins(:ledgers)
+      .group("accounts.id", "users.login")
+      .select("accounts.id, users.login, SUM(account_ledgers.amount) AS balance")
+  }
+end

app/models/lndhub_account_ledger.rb

@@ -0,0 +1,3 @@
+class LndhubAccountLedger < LndhubBase
+  self.table_name = "account_ledgers"
+end

app/models/lndhub_base.rb

@@ -0,0 +1,4 @@
+class LndhubBase < ActiveRecord::Base
+  self.abstract_class = true
+  establish_connection :lndhub
+end

app/models/lndhub_user.rb

@@ -0,0 +1,15 @@
+class LndhubUser < LndhubBase
+  self.table_name = "users"
+  self.inheritance_column = :_type_disabled
+
+  has_many :accounts, class_name: "LndhubAccount",
+                      foreign_key: "user_id"
+
+  belongs_to :user, class_name: "User",
+                    primary_key: "ln_account",
+                    foreign_key: "login"
+
+  def balance
+    accounts.current.first.ledgers.sum("account_ledgers.amount")
+  end
+end

app/models/user.rb

@@ -5,6 +5,11 @@ class User < ApplicationRecord
   has_many :invitations, dependent: :destroy
   has_many :donations, dependent: :nullify
 
+  has_one  :lndhub_user, class_name: "LndhubUser", inverse_of: "user",
+                         primary_key: "ln_account", foreign_key: "login"
+
+  has_many :accounts, through: :lndhub_user
+
   validates_uniqueness_of :cn
   validates_length_of :cn, :minimum => 3
   validates_uniqueness_of :email

app/views/admin/dashboard/index.html.erb

@@ -1,7 +1,12 @@
 <%= render HeaderComponent.new(title: "Admin Panel") %>
 
 <%= render MainSimpleComponent.new do %>
-  <p class="text-center">
-    With great power comes great responsibility.
-  </p>
+  <div class="text-center">
+    <p class="my-12 inline-flex align-center items-center">
+      <%= image_tag("/img/illustrations/undraw_vault_re_s4my.svg", class: 'h-48') %>
+    </p>
+    <p class="text-gray-500">
+      With great power comes great responsibility.
+    </p>
+  </div>
 <% end %>

app/views/admin/donations/index.html.erb

@@ -1,7 +1,26 @@
 <%= render HeaderComponent.new(title: "Donations") %>
 
 <%= render MainSimpleComponent.new do %>
+  <section>
+    <%= render QuickstatsContainerComponent.new do %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Overall',
+          value: @stats[:overall_sats],
+          unit: 'sats'
+      ) %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Donors',
+          value: @stats[:donor_count],
+          meta: "/ #{User.count} users"
+      ) %>
+    <% end %>
+  </section>
+
+  <section>
   <% if @donations.any? %>
+    <h3>Recent Donations</h3>
     <table>
       <thead>
         <tr>
@@ -11,7 +30,7 @@
           <th class="text-right">in USD</th>
           <th class="pl-2">Public name</th>
           <th>Date</th>
-          <th colspan="3"></th>
+          <th></th>
         </tr>
       </thead>
 
@@ -23,11 +42,13 @@
             <td class="text-right"><% if donation.amount_eur.present? %><%= number_to_currency donation.amount_eur / 100, unit: "" %><% end %></td>
             <td class="text-right"><% if donation.amount_usd.present? %><%= number_to_currency donation.amount_usd / 100, unit: "" %><% end %></td>
             <td class="pl-2"><%= donation.public_name %></td>
-            <td><%= donation.paid_at ? donation.paid_at.strftime("%Y-%m-%d") : "" %></td>
-            <td><%= link_to 'Show', admin_donation_path(donation), class: 'btn btn-sm btn-gray' %></td>
-            <td><%= link_to 'Edit', edit_admin_donation_path(donation), class: 'btn btn-sm btn-gray' %></td>
-            <td><%= link_to 'Destroy', admin_donation_path(donation), class: 'btn btn-sm btn-red',
-                      data: { turbo_method: :delete, turbo_confirm: 'Are you sure?' } %></td>
+            <td><%= donation.paid_at ? donation.paid_at.strftime("%Y-%m-%d (%H:%M UTC)") : "" %></td>
+            <td class="text-right">
+              <%= link_to 'Show', admin_donation_path(donation), class: 'btn btn-sm btn-gray' %>
+              <%= link_to 'Edit', edit_admin_donation_path(donation), class: 'btn btn-sm btn-gray' %>
+              <%= link_to 'Destroy', admin_donation_path(donation), class: 'btn btn-sm btn-red',
+                data: { turbo_method: :delete, turbo_confirm: 'Are you sure?' } %>
+            </td>
           </tr>
         <% end %>
       </tbody>
@@ -37,6 +58,7 @@
       No donations yet.
     </p>
   <% end %>
+  </section>
 
   <p class="mt-12">
     <%= link_to 'Record an out-of-system donation', new_admin_donation_path, class: 'btn-md btn-gray' %>

app/views/admin/invitations/index.html.erb

@@ -2,16 +2,28 @@
 
 <%= render MainSimpleComponent.new do %>
   <section>
-    <p>
-      There are currently <strong><%= @invitations_unused_count %>
-      unused invitations</strong> available to existing users.
-      <strong><%= @users_with_referrals_count %> users</strong> have successfully
-      invited new users.
-    </p>
+    <%= render QuickstatsContainerComponent.new do %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Available',
+          value: @stats[:available],
+      ) %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Accepted',
+          value: @stats[:accepted],
+      ) %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Users with referrals',
+          value: @stats[:users_with_referrals],
+          meta: "/ #{User.count}"
+      ) %>
+    <% end %>
   </section>
   <% if @invitations_used.any? %>
     <section>
-      <h3>Accepted (<%= @invitations_used.length %>)</h3>
+      <h3>Recently Accepted</h3>
       <table>
         <thead>
           <tr>

app/views/admin/lightning/index.html.erb

@@ -0,0 +1,48 @@
+<%= render HeaderComponent.new(title: "Lightning Network") %>
+
+<%= render MainSimpleComponent.new do %>
+  <section>
+    <%= render QuickstatsContainerComponent.new do %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Current user balance',
+          value: @ln[:current_balance],
+          unit: 'sats'
+      ) %>
+      <%= render QuickstatsItemComponent.new(
+          type: :number,
+          title: 'Users with sats',
+          value: @ln[:users_with_sats],
+          meta: "/ #{User.count}"
+      ) %>
+    <% end %>
+  </section>
+
+  <section>
+    <h3>Accounts</h3>
+    <table>
+      <thead>
+        <tr>
+          <th>LN Account</th>
+          <th>User</th>
+          <th>Balance</th>
+        </tr>
+      </thead>
+      <tbody>
+        <% @accounts.each do |account| %>
+          <tr>
+            <td class="font-mono">
+              <%= account.login[0, 8] %>...<%= account.login[12, 19] %>
+            </td>
+            <td>
+              <% if user = @users.find{ |u| u[2] == account.login } %>
+                <%= "#{user[0]}@#{user[1]}" %>
+              <% end %>
+            </td>
+            <td><%= number_with_delimiter account.balance.to_i.to_s %></td>
+          </tr>
+        <% end %>
+      </tbody>
+    </table>
+  </section>
+<% end %>

app/views/settings/account/index.html.erb

@@ -4,10 +4,10 @@
   <section>
     <h3>Password</h3>
     <p class="mb-8">Use the following button to request an email with a password reset link:</p>
-    <p>
-      <%= form_with(url: settings_reset_password_path, method: :post) do %>
+    <%= form_with(url: settings_reset_password_path, method: :post) do %>
+      <p>
         <%= submit_tag("Send me a password reset link", class: 'btn-md btn-gray w-full sm:w-auto') %>
-      <% end %>
-    </p>
+      </p>
+    <% end %>
   </section>
 <% end %>

app/views/shared/_admin_nav.html.erb

@@ -1,8 +1,10 @@
 <%= link_to "Dashboard", admin_root_path,
       class: main_nav_class(@current_section, :dashboard) %>
+<%= link_to "Users", admin_ldap_users_path,
+      class: main_nav_class(@current_section, :ldap_users) %>
 <%= link_to "Invitations", admin_invitations_path,
       class: main_nav_class(@current_section, :invitations) %>
 <%= link_to "Donations", admin_donations_path,
       class: main_nav_class(@current_section, :donations) %>
-<%= link_to "LDAP Users", admin_ldap_users_path,
-      class: main_nav_class(@current_section, :ldap_users) %>
+<%= link_to "Lightning", admin_lightning_path,
+      class: main_nav_class(@current_section, :lightning) %>

config/database.yml

@@ -10,21 +10,40 @@ default: &default
   timeout: 5000
 
 development:
-  <<: *default
-  database: db/development.sqlite3
+  primary:
+    <<: *default
+    database: db/development.sqlite3
+  # lndhub:
+  #   <<: *default
+  #   database: db/lndhub.sqlite3
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
 # Do not set this db to the same as development or production.
 test:
-  <<: *default
-  database: db/test.sqlite3
+  primary:
+    <<: *default
+    database: db/test.sqlite3
+  lndhub:
+    <<: *default
+    database_tasks: false
+    database: db/test.lndhub.sqlite3
 
 production:
-  <<: *default
-  adapter: postgresql
-  database: akkounts
-  port: 5432
-  host: <%= Rails.application.credentials.postgres[:host] rescue nil %>
-  username: <%= Rails.application.credentials.postgres[:username] rescue nil %>
-  password: <%= Rails.application.credentials.postgres[:password] rescue nil %>
+  primary:
+    <<: *default
+    adapter: postgresql
+    database: akkounts
+    port: 5432
+    host: <%= Rails.application.credentials.postgres[:host] rescue nil %>
+    username: <%= Rails.application.credentials.postgres[:username] rescue nil %>
+    password: <%= Rails.application.credentials.postgres[:password] rescue nil %>
+  lndhub:
+    <<: *default
+    adapter: postgresql
+    database_tasks: false
+    database: lndhub
+    port: 5432
+    host: <%= Rails.application.credentials.postgres[:host] rescue nil %>
+    username: <%= Rails.application.credentials.postgres[:username] rescue nil %>
+    password: <%= Rails.application.credentials.postgres[:password] rescue nil %>

config/routes.rb

@@ -39,9 +39,10 @@ Rails.application.routes.draw do
 
   namespace :admin do
     root to: 'dashboard#index'
-    get 'invitations', to: 'invitations#index'
     get 'ldap_users', to: 'ldap_users#index'
+    get 'invitations', to: 'invitations#index'
     resources :donations
+    get 'lightning', to: 'lightning#index'
   end
 
   authenticate :user, ->(user) { user.is_admin? } do

spec/components/quickstats_container_component_spec.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe QuickstatsContainerComponent, type: :component do
+  pending "add some examples to (or delete) #{__FILE__}"
+
+  # it "renders something useful" do
+  #   expect(
+  #     render_inline(described_class.new(attr: "value")) { "Hello, components!" }.css("p").to_html
+  #   ).to include(
+  #     "Hello, components!"
+  #   )
+  # end
+end

spec/components/quickstats_item_component_spec.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe QuickstatsItemComponent, type: :component do
+  pending "add some examples to (or delete) #{__FILE__}"
+
+  # it "renders something useful" do
+  #   expect(
+  #     render_inline(described_class.new(attr: "value")) { "Hello, components!" }.css("p").to_html
+  #   ).to include(
+  #     "Hello, components!"
+  #   )
+  # end
+end