Gallery of Spatial Photos

This project is a gallery of spatial photos built using PHP with an object-oriented MVC methodology. The backend is powered by MongoDB, and the application leverages libraries for advanced photo processing.

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Features

1. File Upload

• Supported Formats: PNG, JPG
• Size Limit: Maximum file size is 1 MB.
• Validation:
  • File format and size checks with error messages for invalid inputs.
• Storage:
  • Uploaded images are stored in the images subdirectory under the application's DocumentRoot directory (ensure proper permissions for this directory).

2. Image Processing

• Watermarking:
  • A text watermark is applied to the original image. The watermark content is specified via a form field.
• Thumbnail Generation:
  • A 200x125-pixel thumbnail is created for each uploaded image.
• PHP GD Library:
  • All image processing uses the PHP GD library.

3. Photo Gallery

• Displays a paginated gallery of thumbnails.
• Clicking on a thumbnail shows the corresponding watermarked image in full size.
• Implements PHP directives (include, include_once, require, require_once) for modularity.

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Advanced Features

Database Usage

• Metadata Storage:
  • Each uploaded photo is associated with a title and author. These details are stored in the MongoDB database.
• Gallery Display:
  • Titles and authors are displayed alongside photo thumbnails.

User Management

• Registration:
  • Users can register with a form containing:
    • Email address, login, password, and password confirmation.
  • Passwords are securely hashed before storage in MongoDB.
• Login:
  • Users log in using their credentials.
  • Login status is managed via sessions.
• Logout:
  • Logged-in users can log out via an option in the UI.

Session Mechanism

• Users can:
  • Select photos in the gallery using checkboxes.
  • Save selected photos in their session for future visits.
  • View and manage saved photos on a dedicated subpage, with options to remove photos from the saved set.

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User Differentiation

• Private Photos:

  • Logged-in users can choose to make photos "public" or "private".
  • Private photos:
    • Only visible to the user who uploaded them.
  • Public photos:
    • Visible to all users.

• Automatic Author Attribution

  • The "author" field is pre-filled with the logged-in user's login.

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AJAX Photo Search

• Implements an interactive search engine using AJAX.
• Features:

  • A text field allows users to search for photos by title.

  • As the user types, AJAX requests retrieve matching thumbnails asynchronously.

  • Matching results are dynamically displayed without reloading the page.

Some Images:

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