implemeted csv file creation if not exist

Author: veiled-coder

mysqlite/database.csv

@@ -1,3 +1,5 @@
 firstname,lastname,age,password
-Thomas,Anderson,33,matrix
 Rahmat,Abdulfattah,25,matrix
+Aisha,Abdulfattah,25,matrix
+Maryam,Abdulfattah,25,matrix
+Zainab,Abdulfattah,25,matrix

mysqlite/my_sqlite_request.rb

@@ -51,6 +51,7 @@ def order(order, column_name)
 def insert(table_name)
   @table_name=table_name
   @request='insert'
+  
   self 
 end
 
@@ -64,7 +65,13 @@ def values(*data) #a hash of data key => value
 end
 
 def run
-    @hashedDataA=table_to_hashed(@table_name,@dataToInsert)
+      
+   
+    if File.exist?(table_name)
+      @hashedDataA=table_to_hashed(@table_name)
+      else
+      @hashedData=create_csv_file(@table_name,@dataToInsert) if !File.exist?(table_name)
+    end
     @selected_hash_array=[] 
     @filtered_hash_array=[]
     @merged_hash_array=[]
@@ -122,46 +129,47 @@ def run
     end #of request='select'
     
     if @request=='insert' #dear reviewer, i dont know why these brings error in this ide,kindly
+      
       CSV.open(@table_name,"a+") do |csv|#test this in VsCode,it inserts data well without errors
           @headers=csv.readline
-          puts headers.inspect
          @dataToInsert.each do |data|
            dataValues=@headers.map do |header_name|
              data[header_name]
            end
            csv<< dataValues
-           puts dataValues.inspect
           end  
       end 
   end #of request='insert'
   
-  if @request =='update'
+  # if @request =='update'
 
-  end
+  # end
 
-# puts '..........................final result'   
-# puts @final.inspect
+puts '..........................final result'   
+puts @final.inspect
 end#of def run
 end#of class
 
 #HELPER FUNCTIONS
-def table_to_hashed(table_name,dataToInsert)
- if !File.exist?(table_name)
-  CSV.open(table_name,"w") do |csv|
-    #extract the headers from the @dataToInsert 
-   dataToInsert.each do |data|
-    headers= data.map do |key,value| #get the key names as headers into an array,map returns anarray
-       key
-    end
-    csv<<headers
-    end
-  end
- end 
-
+def table_to_hashed(table_name)
   hashedData=CSV.parse(File.read(table_name),headers:true).map(&:to_h)
   return hashedData
 end
 
+def create_csv_file(table_name,dataToInsert)
+    CSV.open(table_name,"w") do |csv|
+      #extract the headers from the @dataToInsert 
+     dataToInsert.each do |data|
+      headers= data.map do |key,value| #get the key names as headers into an array,map returns anarray
+         key
+      end
+      csv<<headers
+      end
+    end
+    table_to_hashed(table_name)
+end 
+ 
+
 
 
 def process_row(row,result_hash, selected_hash_array,columns)
@@ -208,8 +216,9 @@ def merge(left, right, &block)
   result
 end
 
-MySqliteRequest.insert('database.csv').values('firstname' => "Rahmat", 'lastname' => "Abdulfattah", 'age' => 25, 'password' => 'matrix').run()
-  
+# MySqliteRequest.insert('database.csv').values('firstname' => "Rahmat", 'lastname' => "Abdulfattah", 'age' => 25, 'password' => 'matrix').run()
+  MySqliteRequest.new.from('database.csv').select('firstname','lastname').where('firstname','Rahmat').run
+
 # request = MySqliteRequest.new
 # request = request.update('nba_player_data.csv')
 # request = request.values('name' => 'Alaa Renamed')