added sp create trails

README.md

@@ -2,7 +2,7 @@
 # Most code is based on and adapted from the CS 340 starter code including:
 1. app routes and app.py
     adapted to fit our needs 
-2. tempates 
+2. templates 
     adapted to improve UX
 3. style.css
     copied
@@ -55,6 +55,18 @@ Links to an external site.
 7      # I Source URL: https://www.google.com/search?sourceid=chrome&udm=50&aep=42&source=chrome.crn.rb
 Links to an external site. 
 
+# Date: 3/11/26 
+       # Prompts used to debug logic for to delete skierslifts button error handling
+       # Provided gemini my roll back error handling results and asked it to show exist handler options. 
+4      # I Source URL: https://www.google.com/search?sourceid=chrome&udm=50&aep=42&source=chrome.crn.rb
+Links to an external site. 
+
+# Date: 3/12/26 
+4      # Prompts used to consult on the usage of cursor.nextset() in Trails
+       # Requested scenarios where the cursor moves the next result set.
+       # I Source URL: https://www.google.com/search?sourceid=chrome&udm=50&aep=42&source=chrome.crn.rb
+Links to an external site. 
+
 # Date: 3/13/26 
        # Prompts used to add logic for to update rentals button
 4      # I provided my route and asked for an update form that only appears after the button is pressed and is automatically filled with the row ID 
@@ -69,3 +81,4 @@ Links to an external site.
 Links to an external site. 
 
 
+

app.py

@@ -620,6 +620,47 @@ def delete_rentalinventory():
             dbConnection.close()
 
 
+# create trail
+
+@app.route("/trails/create", methods=["POST"])
+def create_trails():
+    try:
+        dbConnection = db.connectDB() # this opens skiers db connection
+        cursor = dbConnection.cursor()
+
+        # Get form data. will do data cleansing try/catch blocks later since we don't have int input for the following attributes:
+        Name = request.form["create_trail_name"]
+        Difficulty = request.form["create_trail_difficulty"]
+        TrailLength = request.form["create_trail_trailLength"]
+        Status = request.form["create_trail_status"]
+
+
+        # call create trails sp method
+        query1 = "CALL sp_CreateTrail(%s, %s, %s, %s, @t_new_id);"
+        cursor.execute(query1, (Name, Difficulty, TrailLength, Status))
+        cursor.nextset()
+        # store the generated trail id for the last inserted row. 
+        cursor.execute("SELECT @new_id;")
+        new_id = cursor.fetchone()[0] # id is index 0 of the row
+        # cursor.nextset() # Move the the next result. Assuming this to move to the next row?
+        dbConnection.commit() #commit transaction
+        print(f"""Create skiers. 
+        ID: {new_id} 
+        Name: {Name} 
+        Difficulty {Difficulty} 
+        TrailLength {TrailLength} 
+        Status {Status} 
+        """)
+        # Redirect to the updated webpage by add the path /skiers
+        return redirect("/trails")
+    except Exception as e:
+        print(f"Error executing quereis: {e}")
+        return ("An error occurred while executing trails/create this database queries. ", 500,) # ProgError, OpsError, DBError? can be more specific
+    finally:
+        # Close the DB Conneciton, if it exists:
+        if "dbConnection" in locals() and dbConnection:
+            dbConnection.close()
+
 
 # --------------------------------------------------------------------------------------------------
 # SkiersRentals CRUD

database/DML.sql

@@ -7,60 +7,36 @@
 -- create Skiers input
 INSERT INTO `Skiers` (`Name`, `Address`, `Phone`, `Email`, `Ability`) 
 VALUES ( @Name, @Address, @Phone, @Email, @Ability);
-
 -- Read all Skiers
 SELECT * FROM `Skiers`;
-
 -- Read a specific Skier by ID
+-- SET @SkierID = 3;
 SELECT * FROM `Skiers` WHERE `SkierID` = @SkierID
-
--- Update a Skier's information
-UPDATE `Skiers` 
-SET `Name` = @Name, `Address` = @Address, `Phone` = @Phone, `Email` = @Email, `Ability` = @Ability 
-WHERE `SkierID` = @SkierID;
-
 -- Delete a Skier
+-- SET @SkierID = 5;
 DELETE FROM `Skiers` WHERE `SkierID` = @SkierID;
+-- Update a Skier
+SET @SkierID = 1;
+SET @Name = "John Smith";
+SET @Address = "123 1ST St";
+SET @Phone = "1234567891";
+SET @Email = "js@example.com";
+SET @Ability = "Expert";
 
-------------------------------------------------------
--- Trails CRUD Operations
--- -----------------------------------------------------
--- create Trails input
-INSERT INTO `Trails` (`Name`, `Difficulty`, `Length`, `Status`) 
-VALUES ( @Name, @Difficulty, @Length, @Status);
+UPDATE Skiers
+    SET Name = @Name,
+        Address = @Address,
+        Phone = @Phone,
+        Email = @Email,
+        Ability = @Ability
+    WHERE SkierID = @SkierID;
 
--- Read all Trails
-SELECT * FROM `Trails`; 
--- Read a specific Trail by ID
-SELECT * FROM `Trails` WHERE `TrailID` = @TrailID;
--- Update a Trail's information
-UPDATE `Trails` 
-SET `Name` = @Name, `Difficulty` = @Difficulty, `Length` = @Length, `Status` = @Status 
-WHERE `TrailID` = @TrailID;
--- Delete a Trail
-DELETE FROM `Trails` WHERE `TrailID` = @TrailID;
--- ---------------------------------------------------
---SkiersTrails CRUD Operations
--- -----------------------------------------------------
--- create SkiersTrails input
-INSERT INTO `SkiersTrails` (`Skiers_SkierID`, `Trails_TrailID`) VALUES ( @Skiers_SkierID, @Trails_TrailID);
--- Read all SkiersTrails
-SELECT * FROM `SkiersTrails`;
--- Read a specific SkiersTrails item by ID
-SELECT * FROM `SkiersTrails` WHERE `SkiersTrailsID` = @SkiersTrailsID;
--- Update a SkiersTrails item's information
-UPDATE `SkiersTrails` 
-SET `Skiers_SkierID` = @Skiers_SkierID, `Trails_TrailID` = @Trails_TrailID
-WHERE `SkiersTrailsID` = @SkiersTrailsID;
--- Delete a SkiersTrails item
-DELETE FROM `SkiersTrails` WHERE `SkiersTrailsID` = @SkiersTrailsID;
 ------------------------------------------------------
 -- Lifts CRUD Operations
 -- -----------------------------------------------------
 -- create Lifts input
 INSERT INTO `Lifts` (`LiftNum`, `LiftName`, `TravelTime`, `ChairCapacity`, `Status`, `Altitude`) 
 VALUES ( @LiftNum, @LiftName, @TravelTime, @ChairCapacity, @Status, @Altitude);
-
 -- Read all Lifts
 SELECT * FROM `Lifts`; 
 -- Read a specific Lift by ID
@@ -88,8 +64,68 @@ WHERE `SkiersLiftsID` = @SkiersLiftsID;
 -- Delete a SkiersLifts item
 DELETE FROM `SkiersLifts` WHERE `SkiersLiftsID` = @SkiersLiftsID;
 
+SELECT s.SkierID, s.Name, p.Type, t.TrailName, t.Difficulty
+	FROM Passes AS p
+	JOIN Skiers AS s
+	ON p.PassID = s.SkierID
+	JOIN SkiersTrails AS st
+	ON s.SkierID = st.Skiers_SkierID
+    JOIN Trails AS t
+    ON st.Trails_TrailID = t.TrailID
+    WHERE p.Type = "Full Season"
+    GROUP By s.SkierID, s.Name
+    HAVING AVG (t.TrailLength) > 1200;
 ------------------------------------------------------
---Passes CRUD Operations
+-- Trails CRUD Operations
+-- -----------------------------------------------------
+-- create Trails input
+INSERT INTO `Trails` (`TrailName`, `Difficulty`, `TrailLength`, `Status`) 
+VALUES ( @TrailName, @Difficulty, @TrailLength, @Status);
+-- Read all Trails
+SELECT * FROM `Trails`; 
+-- Read a specific Trail by ID
+-- SET @TrailID = 4;
+SELECT * FROM `Trails` WHERE `TrailID` = @TrailID;
+-- Update a Trail's information
+-- SET @TrailID = 3;
+UPDATE `Trails` 
+SET `Name` = @Name, `Difficulty` = @Difficulty, `TrailLength` = @TrailLength, `Status` = @Status 
+WHERE `TrailID` = @TrailID;
+-- Delete a Trail
+-- SET @TrailID = 2;
+DELETE FROM `Trails` WHERE `TrailID` = @TrailID;
+
+-- ---------------------------------------------------
+--SkiersTrails CRUD Operations
+-- -----------------------------------------------------
+-- create SkiersTrails input
+INSERT INTO `SkiersTrails` (`Skiers_SkierID`, `Trails_TrailID`) VALUES ( @Skiers_SkierID, @Trails_TrailID);
+-- Read all SkiersTrails
+SELECT * FROM `SkiersTrails`;
+-- Read a specific SkiersTrails item by ID
+SELECT * FROM `SkiersTrails` WHERE `SkiersTrailsID` = @SkiersTrailsID;
+-- Update a SkiersTrails item's information
+UPDATE `SkiersTrails` 
+SET `Skiers_SkierID` = @Skiers_SkierID, `Trails_TrailID` = @Trails_TrailID
+WHERE `SkiersTrailsID` = @SkiersTrailsID;
+-- Delete a SkiersTrails item
+DELETE FROM `SkiersTrails` WHERE `SkiersTrailsID` = @SkiersTrailsID;
+
+-- View to return Expert Skiers whose average Lift Altitude above 8000
+CREATE VIEW ExpertSkiersWithHighAlt AS 
+SELECT Skiers.SkierID, Skiers.Name, Lifts.LiftName, Lifts.Altitude
+	FROM Skiers
+	JOIN SkiersLifts
+	ON Skiers.SkierID = SkiersLifts.Skiers_SkierID
+	JOIN Lifts
+	ON SkiersLifts.Lifts_LiftID = Lifts.LiftID
+    WHERE Skiers.Ability = "Expert"
+    GROUP By Skiers.SkierID, Skiers.Name
+    HAVING AVG(Lifts.Altitude) > 8000;
+
+ SELECT * FROM ExpertSkiersWithHighAlt;
+------------------------------------------------------
+-- Passes CRUD Operations
 -- -----------------------------------------------------
 -- create Passes input
 INSERT INTO `Passes` (`Type`, `PurchaseDate`, `ExpirationDate`, `Skiers_SkierID`) 
@@ -104,6 +140,7 @@ SET `Type` = @Type, `PurchaseDate` = @PurchaseDate, `ExpirationDate` = @Expirati
 WHERE `PassID` = @PassID;
 -- Delete a Pass
 DELETE FROM `Passes` WHERE `PassID` = @PassID;
+
 ------------------------------------------------------
 -- Rentals CRUD Operations
 -- -----------------------------------------------------
@@ -119,6 +156,7 @@ SET `Type` = @Type
 WHERE `RentalID` = @RentalID;
 -- Delete a RentalInventory item
 DELETE FROM `RentalInventory` WHERE `RentalID` = @RentalID;
+
 ------------------------------------------------------
 -- SkiersRentals CRUD Operations
 -- -----------------------------------------------------
@@ -135,3 +173,12 @@ WHERE `SkiersRentalsID` = @SkiersRentalsID;
 -- Delete a SkiersRentals item
 DELETE FROM `SkiersRentals` WHERE `SkiersRentalsID` = @SkiersRentalsID;
 
+-- Return all expert skiers and the equipment type they rented:
+SELECT DISTINCT Skiers.Name, Skiers.Ability, RentalInventory.Type
+	FROM Skiers
+	JOIN SkiersRentals
+	ON Skiers.SkierID = SkiersRentals.Skiers_SkierID
+	JOIN RentalInventory
+	ON SkiersRentals.RentalInventory_RentalID = RentalInventory.RentalID
+	WHERE Skiers.Ability = "Expert"; 
+

database/PL.sql

@@ -529,3 +529,26 @@ BEGIN
 
 END //
 DELIMITER ;
+
+
+-- Create Trails SP:
+DROP PROCEDURE IF EXISTS sp_CreateTrail;
+
+DELIMITER //
+create procedure sp_CreateTrail(
+    in t_name varchar(45),
+    in t_difficulty varchar(255),
+    in t_trailLength varchar(11),
+    in t_status varchar(255),
+    out t_id int)
+BEGIN
+	insert INTO Trails(TrailName, Difficulty, TrailLength, Status)
+    VALUES (t_name, t_difficulty, t_trailLength, t_status);
+
+    -- store the skier id of the last inserted row:
+    select last_insert_id() into t_id;
+    -- then display id of the last inserted row
+    select last_insert_id() AS 't_new_id';
+
+END //
+DELIMITER ;  

templates/trails.j2

@@ -53,5 +53,30 @@
     </tbody>
 </table>
 
+<h2>Create a Trail</h2>
+<form class="cuForm" id="create_trail_form" method="POST" action="/trails/create">
+
+    <label for="create_trail_name"> Name: </label>
+    <input type="text" name="create_trail_name" id="create_trail_name" required>
+
+    <label for="create_trail_difficulty"> Difficulty: </label>
+    <select name="create_trail_difficulty" id="create_trail_difficulty" required>
+        <option value="" disabled selected>Select ability level</option>
+        <option value="Blue">Blue</option>
+        <option value="Green">Green</option>
+        <option value="Black">Black</option>
+    </select>
+
+    <label for="create_trail_trailLength"> TrailLength: </label>
+    <input type="text" name="create_trail_trailLength" id="create_trail_trailLength" required>
+
+    <label for="create_trail_status"> Status: </label>
+    <input type="text" name="create_trail_status" id="create_trail_status" required>
+
+    </select>
+
+    <input type="submit">
+</form>
+
 
 {% endblock %}