Add insert data bash

Author: carreraprogrammer

insert_data..sh

@@ -0,0 +1,60 @@
+#! /bin/bash
+
+if [[ $1 == "test" ]]
+then
+  PSQL="psql --username=postgres --dbname=worldcuptest -t --no-align -c"
+else
+  PSQL="psql --username=freecodecamp --dbname=worldcup -t --no-align -c"
+fi
+
+# Do not change code above this line. Use the PSQL variable above to query your database.
+
+cat games.csv | while IFS="," read YEAR ROUND WINNER OPPONENT WINNER_GOALS OPPONENT_GOALS
+do
+if [[ $WINNER != "winner" && $OPPONENT != "opponent" ]]
+  then
+  #get teams_id
+
+  WINNER_ID=$($PSQL "SELECT team_id FROM teams WHERE name='$WINNER'")
+  OPPONENT_ID=$($PSQL "SELECT team_id FROM teams WHERE name='$OPPONENT'")
+  
+  # if not found winner
+    if [[ -z $WINNER_ID ]]
+    then
+      # insert winner
+      INSERT_WINNER_RESULT=$($PSQL "INSERT INTO teams(name) VALUES('$WINNER')")
+      # it was succesfull
+      if [[ INSERT_WINNER_RESULT == "INSERT 0 1" ]]
+      then
+       echo "Inserted into teams, $WINNER"
+      fi
+  
+      #get new WINNER_ID
+      WINNER_ID=$($PSQL "SELECT team_id FROM teams WHERE name='$WINNER'")
+    fi
+  
+    # if not found opponent
+    if [[ -z $OPPONENT_ID ]]
+    then
+      # insert opponent
+      INSERT_OPPONENT_RESULT=$($PSQL "INSERT INTO teams(name) VALUES('$OPPONENT')")
+      # it was succesfull
+      if [[ INSERT_OPPONENT_RESULT == "INSERT 0 1" ]]
+      then
+       echo "Inserted into teams, $OPPONENT"
+      fi
+  
+      #get new OPPONENT_ID
+      OPPONENT_ID=$($PSQL "SELECT team_id FROM teams WHERE name='$OPPONENT'")
+    fi
+
+    # insert data into games
+
+    INSERT_GAMES_RESULT=$($PSQL "INSERT INTO games(year, round, winner_id, opponent_id, winner_goals, opponent_goals) VALUES('$YEAR', '$ROUND', '$WINNER_ID', '$OPPONENT_ID', '$WINNER_GOALS', '$OPPONENT_GOALS')")
+    if [[ $INSERT_GAMES_RESULT == "Insert 0 1" ]]
+    then
+    echo "Game inserted: '$WINNER' vs '$OPPONENT'"
+    fi
+
+  fi
+done