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Given your unique requirements and constraints for tracking time spent on individual paintings, here are some suggestions for a more tailored approach. This strategy aims to accommodate the evolving nature of your painting titles, the use of iOS Shortcuts and Geofency, and your preference for detailed tracking and future analysis.

1. Utilize a Separate Table for Paintings

Create a dedicated table for your paintings that can hold metadata about each painting, including a temporary or working title, the final title upon completion, start and end dates, and any other relevant information.

Example Schema:

CREATE TABLE paintings (
    painting_id INT AUTO_INCREMENT PRIMARY KEY,
    working_title VARCHAR(255),
    final_title VARCHAR(255) NULL,
    start_date DATE,
    end_date DATE NULL,
    status ENUM('In Progress', 'Completed') DEFAULT 'In Progress',
    image_url VARCHAR(255) NULL, -- URL to the latest image uploaded via iOS Shortcut
    -- Any other metadata you find relevant
);

2. Reference Paintings in Your time_data Table

Modify the time_data table to include a reference to the painting_id from the paintings table. This will allow you to link time entries to specific paintings.

Example Modification:

ALTER TABLE time_data
ADD COLUMN painting_id INT,
ADD FOREIGN KEY (painting_id) REFERENCES paintings(painting_id);

3. Dynamic ID Assignment Based on Working Title

Since you don’t decide on the painting’s title until it’s nearly completed, use a working title or a temporary identifier when you start a new painting. Update the paintings table with the final title when you decide on it.

4. Automate Time Tracking with Geofency and iOS Shortcuts

• Geofency: Continue using Geofency to track your time in the studio. When you enter or leave the studio, have Geofency trigger an endpoint in your app that logs the current time as time_in or time_out in the time_data table, associating it with the current painting_id.
• iOS Shortcuts: Use iOS Shortcuts to upload the daily image of your painting. The shortcut can trigger another endpoint in your app to update the image_url in the paintings table with the latest image link.

5. Calculating Total Duration

To calculate the total duration spent on a painting, sum up the durations of all time_data entries associated with that painting’s ID. For “In Progress” paintings, consider the current time as the time_out for the latest session.

Example Query:

SELECT 
    p.painting_id,
    p.working_title,
    SUM(TIMESTAMPDIFF(SECOND, time_in, COALESCE(time_out, NOW()))) AS total_seconds
FROM 
    time_data td
JOIN 
    paintings p ON td.painting_id = p.painting_id
WHERE 
    p.status = 'In Progress' -- or remove this line to calculate for all paintings
GROUP BY 
    p.painting_id;

6. Finalizing a Painting

When you complete a painting, update the final_title, end_date, and status in the paintings table. This marks the painting as completed and allows for historical analysis and comparison.

This approach provides flexibility in tracking your painting progress, accommodates the evolving nature of your painting titles, and leverages your current tools (iOS Shortcuts and Geofency) for a seamless workflow. It also sets a foundation for detailed analysis and comparison of your work on different paintings over time.

Leveraging your existing progress table by adding the suggested columns from the “Example Schema” could indeed be an efficient way to track the progress of each painting, especially since it already contains time_stamp and image columns which are valuable for visual progress tracking.

Adjusting the progress Table

You can add the additional columns to the progress table to capture more detailed metadata about each painting. Here’s how you might adjust the schema:

ALTER TABLE progress
ADD COLUMN working_title VARCHAR(255),
ADD COLUMN final_title VARCHAR(255) NULL,
ADD COLUMN start_date DATE,
ADD COLUMN end_date DATE NULL,
ADD COLUMN status ENUM('In Progress', 'Completed') DEFAULT 'In Progress',
ADD COLUMN painting_id INT AUTO_INCREMENT PRIMARY KEY;

This adjustment aligns the progress table more closely with the suggested “paintings” table, making it a comprehensive source of information on each painting’s progress, including visual updates, time tracking, and metadata.

Utilizing the entry Column in time_data

Your time_data table’s entry column, which contains ‘1’ for entry, ‘0’ for exit, and ‘2’ for completed, can be used effectively to track studio sessions. To integrate this with the painting progress tracking, consider the following:

1. Linking Sessions to Paintings: Add a painting_id column to the time_data table (if not already present) to link time entries to specific paintings.

   ALTER TABLE time_data
   ADD COLUMN painting_id INT,
   ADD FOREIGN KEY (painting_id) REFERENCES progress(painting_id);
   

2. Session Duration Calculation: For calculating the total time spent on a painting, consider sessions marked with ‘1’ (entry) and ‘0’ (exit) to calculate active studio time. Sessions marked with ‘2’ (completed) can be used to mark the completion of a painting session or the entire painting.

3. Automated Updates: Use your application logic or triggers to update the progress table with the latest time_stamp and image whenever a new entry is made, and to adjust the status when a session or painting is marked as completed (‘2’).

4. Comprehensive Queries: For reporting and analysis, you can write queries that join the time_data and progress tables to provide comprehensive insights into your painting progress, time spent, and visual updates.

By aligning the progress table with your requirements and leveraging the entry column in time_data, you can create a robust system for tracking and analyzing your painting projects over time. This setup allows you to maintain detailed records of each painting’s progress, both visually and in terms of time spent, and can be adapted as your tracking needs evolve.