Digging deeper

• API reference
  • PHP public API
  • PHP unstable API
• Config & Preferences
  • AppConfig
    • Concept overview
    • Consuming the AppConfig API
• Classloader
  • Server autoloading
  • App autoloading
    • Replacing Nextcloud’s autoloader
• Continuous Integration
  • Linting
    • info.xml
    • php
    • php-cs
  • Static analysis
• Dashboard
  • Register a dashboard widget
    • The IConditionalWidget interface
  • Provide a user interface
  • Dashboard API
    • Render dashboard widgets using the API
    • Providing widgets to clients
    • The IButtonWidget interface
    • The IIconWidget interface
    • The IOptionWidget interface
    • The IAPIWidget interface
    • The IAPIWidgetV2 interface
    • The IReloadableWidget interface
    • Use the API
• Deadlocks
  • Understanding the locking situation
  • Mitigations
    • Ignoring deadlocks
    • Retrying deadlocks
    • Avoiding deadlocks
  • References
• Debugging
  • Debug mode
  • Identifying errors
  • Debugging variables
  • Using a PHP debugger (XDebug)
  • Debugging JavaScript
  • Debugging HTML and templates
  • Debugging SQL queries
    • Debugging MariaDB queries
  • Using alternative app directories
• Email
  • Basic usage
  • Inline attachments
• Files Metadata
  • Concept overview
  • Consuming the Files Metadata API
  • Live & Background Events
  • Read metadata using occ command
  • Update metadata using PROPPATCH
  • Retrieve metadata using PROPFIND
  • WebDAV SEARCH based on metadata
  • Metadata Query Helper
• Groupware integration
  • Calendar integration
    • Access calendars and events
    • Calendar providers
    • Resources
    • Rooms
  • Integration of custom calendar providers
    • Registering the calendar with the Nextcloud API interface
    • Legacy access to the Sabre classes
    • The calendar object class
    • The calendar class
    • The calendar plugin class
    • Register the calendar provider
  • Contacts Menu
    • Accessing contact info
    • Actions
  • Mail Provider Interface
    • Terminology
    • Consuming a Mail Service
    • Providing a Mail Service
• HTTP Client
  • Acquiring a HTTP Client
  • HEAD request
  • GET request
  • POST request
  • PUT request
  • DELETE request
  • OPTIONS request
  • Error handling
• JavaScript APIs
  • npm packages
    • Usage
    • Compatibility
    • Development
    • Packages in detail
    • @nextcloud/auth
    • @nextcloud/axios
    • @nextcloud/event-bus
    • @nextcloud/dialogs
    • @nextcloud/files
    • @nextcloud/initial-state
    • @nextcloud/l10n
    • @nextcloud/logger
    • @nextcloud/moment
    • @nextcloud/password-confirmation
    • @nextcloud/paths
    • @nextcloud/router
    • @nextcloud/sharing
    • @nextcloud/vue
  • Events
    • Network state changes
  • Global variables
    • OC – internal APIs
    • OCA – App APIs
    • OCP – Public APIs
• Machine Translation
  • Consuming the Translation API
  • Implementing a Translation provider
    • Provider with user context
    • Providing language detection
  • Provider registration
• Nextcloud Flow
  • Entities
  • Operations
  • Configuration Component
• NPM
  • npm build
  • npm run dev, npm run watch
  • npm test
  • npm run lint (optional)
• Notifications
• Out-of-office periods
  • Access data from within a Nextcloud App via OCP
  • Listening to events
  • Common data structure
• Performance considerations
  • PHP Performance
  • Database performance
    • Writing scalable transactions
    • Measuring performance
  • Cached data
  • Getting help
• Phone number util
  • Convert input into standard format
  • Get the country code for a region
• PSR
  • PSR-0: Autoloading
  • PSR-3: Logger Interface
  • PSR-4: Autoloading
  • PSR-11: Container Interface
  • PSR-20: Clock
• Profile
  • Register a profile action
• Profiler
  • Get the app
  • Enable the app
  • Disable the app
  • Using the app
    • The General Request and Response View
    • The Database Queries View
    • The LDAP View
    • The Event View
    • The Cache View
  • Contributing
• Projects
  • Register a resource provider
  • Provide a user interface
• Public Pages
  • Concept
  • Implementing an API called from a public share page
  • Implementing an authenticated public page
• Reference providers
  • Display link previews
    • NcRichText
    • NcReferenceWidget
    • API to resolve links
    • Render link previews in clients
  • Use the Smart Picker in your app
    • NcRichContenteditable
    • NcReferencePickerModal
    • getLinkWithPicker
  • Use the Smart Picker in clients
    • Get the provider list
    • Use the Unified Search API
    • Update a provider last usage date
  • Register a reference provider
  • Extend link preview support
    • Match links
    • Resolving links
    • Interactive widgets
    • Provide generic data for clients
  • Extend the Smart Picker
    • Declare supported Unified Search providers
    • Register a custom picker component
• Repair steps
  • Creating a repair step
    • Outputting information
  • Register a repair-step
  • Repair-step types
• REST APIs
  • Modifying the CORS headers
• Search
  • Concept overview
    • Fetching provider IDs
    • Fetching individual search results
  • Simple search providers
  • Advanced search provider
  • Provider registration
  • Handling search requests
    • Pagination
    • Optional attributes
  • Declare in-app search
  • Privacy
• Security
  • Rate Limiting
  • Remote Host Validation
  • Trusted domain
• Settings
  • Declarative settings
    • Registering settings schema
    • Class-based schema registration
    • Event-based schema registration
    • Handling settings storage
    • Schema field types
  • Settings form
  • Section
  • Registering Settings and Sections
• Setup checks
  • Register a setup check
  • Define a setup check
    • Running HTTP requests against the server
• Speech-To-Text
  • Consuming the Speech-To-Text API
    • Listening to the transcription events
  • Implementing a Speech-To-Text provider
  • Provider with user context
  • Provider registration
• Talk Integration
  • Check for Talk existence
  • Create a conversation
    • Customize the conversation
  • Delete a conversation
• Task Processing
  • Consuming the Task Processing API
    • Tasks types
    • Tasks
    • Task statuses
    • Listening to the task processing events
  • Implementing a TaskProcessing provider
    • Providing additional inputs and outputs
    • Providing input defaults
    • Working with Enum shape types
    • Providing more task types
  • Provider and task type registration
• Text Processing
  • Consuming the Text Processing API
    • Tasks types
    • Tasks
    • Task statuses
    • Listening to the text processing events
  • Implementing a TextProcessing provider
    • Processing tasks in the context of a user
    • Streamlining processing for fast providers
    • Providing more task types
  • Provider registration
• Text-To-Image
  • Consuming the Text-To-Image API
    • Tasks
    • Task statuses
    • Listening to the image generation events
  • Implementing a Text-To-Image provider
  • Provider registration
• Two-factor providers
  • Implementing a simple two-factor auth provider
  • Register the provider state
  • Registering a two-factor auth provider
  • Providing an icon (optional)
  • Provide personal settings (optional)
  • Make a provider activatable by the admin (optional)
  • Make a provider deactivatable by the admin (optional)
• User Status
  • Query Status
  • Updating the status programmatically
• User migration
  • Register a migrator
• User management
  • Creating users
  • Modifying users
  • User session information
  • User objects
    • User managers
• Web Host Metadata
  • Writing a handler
    • Example generic handler
    • Example webfinger handler
  • Handler registration
• Working with time
  • Methods