SD-2693/Metais-projects

app/controllers/metais/projects_controller.rb

@@ -1,14 +1,34 @@
 class Metais::ProjectsController < ApplicationController
   def index
+    @guarantor_data = Metais::ProjectOrigin.guarantor_data
+    @status_data = Metais::ProjectOrigin.status_data
+    @evaluation_counts = Metais::Project.evaluation_counts
+
     per_page = 25
     page = params[:page] || 1
 
-    @projects = Metais::Project.all
-
-    if params[:guarantor].present? || params[:title].present? || params[:status].present? || params[:code].present? || params[:min_price].present? || params[:max_price].present? || params[:sort].present?
-      @projects = @projects.joins(:project_origins)
-    end
-
+
+    distinct_projects_subquery = Metais::Project
+                                    .joins(:project_origins)
+                                    .joins("JOIN (SELECT project_id, MAX(origin_type_id) AS max_origin_type_id 
+                                                  FROM metais.project_origins 
+                                                  GROUP BY project_id) 
+                                            po_max 
+                                            ON metais.projects.id = po_max.project_id 
+                                            AND metais.project_origins.origin_type_id = po_max.max_origin_type_id")
+                                    .select('DISTINCT metais.projects.id')
+
+      @projects = Metais::Project
+                   .joins(:project_origins)
+                   .joins("JOIN (SELECT project_id, MAX(origin_type_id) AS max_origin_type_id 
+                                 FROM metais.project_origins 
+                                 GROUP BY project_id) 
+                           po_max 
+                           ON metais.projects.id = po_max.project_id 
+                           AND metais.project_origins.origin_type_id = po_max.max_origin_type_id")
+                   .where(id: distinct_projects_subquery)
+                   .select('metais.projects.*, project_origins.approved_investment, project_origins.investment')
+
     if params[:guarantor].present?
       @projects = @projects.where('project_origins.guarantor = ?', params[:guarantor])
     end
@@ -23,15 +43,21 @@ def index
     end
 
     if params[:code].present?
-      @projects = @projects.where('code = ?', params[:code])
+      @projects = @projects.where('code ILIKE ?', "%#{params[:code]}%")
     end
 
     if params[:min_price].present?
-      @projects = @projects.where('project_origins.investment >= ?', params[:min_price])
+      min_price = params[:min_price].to_f
+      @projects = @projects.where(
+        'COALESCE(NULLIF(metais.project_origins.approved_investment, 0), metais.project_origins.investment, 0) >= ?', min_price
+      )
     end
-
+    
     if params[:max_price].present?
-      @projects = @projects.where('project_origins.investment <= ?', params[:max_price])
+      max_price = params[:max_price].to_f
+      @projects = @projects.where(
+        'COALESCE(NULLIF(metais.project_origins.approved_investment, 0), metais.project_origins.investment, 0) <= ?', max_price
+      )
     end
 
     if params[:has_evaluation].present?
@@ -45,22 +71,40 @@ def index
       }.map(&:id))
     end
 
-    case params[:sort]
-    when 'alpha'
-      @projects = @projects.order('project_origins.title ASC')
-      @projects = @projects.distinct.select("metais.projects.*, project_origins.title")
-    when 'date'
-      @projects = @projects.order('project_origins.metais_created_at ASC')
-      @projects = @projects.distinct.select("metais.projects.*, project_origins.metais_created_at")
-
-    when 'price'
-      @projects = @projects.order('project_origins.investment ASC')
-      @projects = @projects.distinct.select("metais.projects.*, project_origins.investment")
-
-    else
-      @projects = @projects.order(updated_at: :desc)
-      @projects = @projects.distinct.select("metais.projects.*")
+    if params[:sort].present?
+      case params[:sort]
+      when 'alpha'
+        if params[:sort_direction].present?
+          sort_direction = params[:sort_direction].upcase == 'ASC' ? 'ASC' : 'DESC'
+        else
+          sort_direction = 'DESC'
+        end
+        @projects = @projects.order("metais.project_origins.title #{sort_direction}")
+      when 'date'
+        if params[:sort_direction].present?
+          sort_direction = params[:sort_direction].upcase == 'ASC' ? 'ASC' : 'DESC'
+        else
+          sort_direction = 'DESC'
+        end
+        @projects = @projects.order("metais.project_origins.metais_created_at #{sort_direction}")
+      when 'price'
+        if params[:sort_direction].present?
+          sort_direction = params[:sort_direction].upcase == 'ASC' ? 'ASC' : 'DESC'
+        else
+          sort_direction = 'DESC'
+        end
+        @projects = @projects.order("COALESCE(NULLIF(metais.project_origins.approved_investment, 0), 
+                                            NULLIF(metais.project_origins.investment, 0), 
+                                            0) #{sort_direction} NULLS FIRST")
 
+      else
+        if params[:sort_direction].present?
+          sort_direction = params[:sort_direction].upcase == 'ASC' ? 'ASC' : 'DESC'
+        else
+          sort_direction = 'DESC'
+        end
+        @projects = @projects.select("distinct on (updated_at) projects.*").order("updated_at #{sort_direction}")
+      end
     end
 
     @projects = @projects.page(page).per(per_page)

app/models/metais/project.rb

@@ -10,9 +10,9 @@
 class Metais::Project < ApplicationRecord
   has_many :project_origins, :class_name => 'Metais::ProjectOrigin'
   has_and_belongs_to_many :projects, class_name: 'Project',
-                                                      join_table: 'public.projects_metais_projects',
-                                                      foreign_key: 'metais_project_id',
-                                                      association_foreign_key: 'project_id'
+                                     join_table: 'public.projects_metais_projects',
+                                     foreign_key: 'metais_project_id',
+                                     association_foreign_key: 'project_id'
 
   def evaluations
     ::Project.joins('''
@@ -39,4 +39,15 @@ def get_project_origin_info
 
     project_info
   end
+
+  def self.evaluation_counts
+    total_count = Metais::Project.count
+    yes_count = Metais::Project
+      .joins('INNER JOIN public.projects_metais_projects ON public.projects_metais_projects.metais_project_id = metais.projects.id')
+      .distinct
+      .count('metais.projects.id')
+    no_count = total_count - yes_count
+
+    { yes: yes_count, no: no_count }
+  end
 end

app/models/metais/project_origin.rb

@@ -46,4 +46,18 @@ class Metais::ProjectOrigin < ApplicationRecord
   has_many :suppliers, class_name: 'Metais::ProjectSupplier', foreign_key: 'project_origin_id'
   has_many :events, class_name: 'Metais::ProjectEvent', foreign_key: 'project_origin_id'
   has_many :links, class_name: 'Metais::ProjectLink', foreign_key: 'project_origin_id'
+
+  def self.guarantor_data
+    {
+      counts: self.group(:guarantor).count,
+      unique_guarantors: self.pluck(:guarantor).reject(&:blank?).uniq
+    }
+  end
+
+  def self.status_data
+    {
+      counts: self.group(:status).count,
+      unique_statuses: self.pluck(:status).reject(&:blank?).uniq
+    }
+  end
 end

app/views/admin/metais/projects/index.html.erb

@@ -81,7 +81,7 @@
       <tr id="<%= dom_id project %>">
         <td><%= project.id %></td>
         <td class="w-50" colspan="10">
-          <%= link_to project.project_origins.first.title, admin_metais_project_path(project) %>
+          <%= link_to project.project_origins.first.title, metais_project_path(project) %>
         </td>
         <td class="text-center">
           <%= project.project_origins.count %>

app/views/components/_navbar.html.erb

@@ -16,7 +16,7 @@
           <%= link_to 'Štátne IT projekty', metais_projects_path, class: 'nav-link' %>
         </li>
         <li class="nav-item mr-lg-4 <%= "active" if current_page?(projects_path) %>">
-          <%= link_to 'Hodnotenia', projects_path, class: 'nav-link' %>
+          <%= link_to 'Hodnotenia Red Flags', projects_path, class: 'nav-link' %>
         </li>
         <li class="nav-item mr-lg-4 d-lg-none <%= "active" if current_page?(about_path) %>">
           <%= link_to 'Čo je Red Flags', about_path, class: 'nav-link' %>