Globals.cs

namespace ClassTranscribeDatabase
{
    /// <summary>
    /// All the configuration setttins that are supplied either by vs_appsettings.json or by environment variables.
    /// </summary>
    public class AppSettings
    {
        public string LTI_SHARED_SECRET { get; set; }
        public string MEDIA_WORKER_SHARED_SECRET { get; set; }

        public string JWT_EXPIRE_DAYS { get; set; }
        public string HOST_NAME { get; set; }
        public string JWT_KEY { get; set; }
        public string ALLOWED_HOSTS { get; set; }
        public string POSTGRES_SERVER_NAME { get; set; }
        public string POSTGRES_SERVER_PORT { get; set; } = "5432";
        public string POSTGRES_DB { get; set; }

        public string ADMIN_USER_ID { get; set; }
        public string ADMIN_PASSWORD { get; set; }
        public string RabbitMQServer { get; set; } = ""; // deprecated - use RABBITMQ_SERVER_NAME instead

        public string RABBITMQ_SERVER_NAME { get; set; } = ""; // consistent with other keys including POSTGRES

        public string RABBITMQ_REFCOUNT_CHANNELS { get; set; } = ""; // consistent with other keys including POSTGRES

        public string RABBITMQ_PORT { get; set; } = "5672";

        public string RABBITMQ_AUTOMATIC_RECOVERY = "true";
        public string RABBITMQ_HEARTBEAT_SECONDS = "60";
        

        // RABBITMQ_PREFETCH_COUNT has been replaced with these CONCURRENT LIMITS-
        //no longer used g RABBITMQ_PREFETCH_COUNT { get; set; } // No longer used; can be deleted in next cleanup
        public string MAX_CONCURRENT_TRANSCRIPTIONS { get; set; }
        // Tasks that require significant processing e.g. scene detect, recoding
        public string MAX_CONCURRENT_VIDEO_TASKS { get; set; }

        // LIMITS ARE PER QUEUE e.g. 5 Download playlists tasks and 5 download video tasks
        public string MAX_CONCURRENT_SYNC_TASKS { get; set; }


        public string PYTHON_RPC_SERVER { get; set; }
        public string AZURE_SUBSCRIPTION_KEYS { get; set; }
        public string DATA_DIRECTORY { get; set; }
        public string AUTH0_DOMAIN { get; set; }
        public string AUTH0_CLIENT_ID { get; set; }
        public string BOX_CLIENT_ID { get; set; }
        public string BOX_CLIENT_SECRET { get; set; }
        public string APPLICATION_INSIGHTS_KEY { get; set; }
        public string SLACK_WEBHOOK_URL { get; set; }
        public string TEST_SIGN_IN { get; set; }
        public string CILOGON_CLIENT_ID { get; set; }
        public string CILOGON_CLIENT_SECRET { get; set; }
        public string CILOGON_DOMAIN { get; set; }
        public string GITSHA1 { get; set; }
        public string BUILDNUMBER { get; set; }
        public string ES_CONNECTION_ADDR { get; set; }

        public string INITIAL_TASKENGINE_PAUSE_MINUTES { get; set; } = "2";

        // We let the message expire - which is likely if the server is overloaded- the periodic check will rediscover things to do later
        // The suggested value is PERIODIC_CHECK_EVERY_MINUTES -5
        // i.e we assume that the periodic check takes no more than 5 minutes to enqueue a task
        // If it expires - that is okay - we will rediscover it in a future periodic check
        public string RABBITMQ_TASK_TTL_MINUTES { get; set; } = "55";

        // Goes to upstream providers to get latest list of videos identifiers for each active playlist
        // Identifies missing items provided the object creating time is older than PERIODIC_CHECK_OLDER_THAN_MINUTES
        public string PERIODIC_CHECK_EVERY_MINUTES { get; set; } = "120";

        // PERIODIC_CHECK_OLDER_THAN_MINUTES Should be at least PERIODIC_CHECK_EVERY_MINUTES, probably more
        // We only want to identify missing tasks that clearly should have completed in the previous cycle (or older)
        public string PERIODIC_CHECK_OLDER_THAN_MINUTES { get; set; } = "240";

        // Transcripion and Translation options

        // e.g. en-US
        // See MSTranscriptionService for known supported recognition languages
        public string SPEECH_RECOGNITION_DIALECT { get; set; } = "en-US";

        // e.g. Mostly two letter codes e.g. fr
        // See MSTranscriptionService.cs for known supported translation languages
        public string LANGUAGE_TRANSLATIONS { get; set; } = "zh-Hans,ko,es,fr";

        // See MSTranscriptionService
        public string MOCK_RECOGNITION { get; set; } = "";

        public string DIGEST_CALCULATION_METHOD { get; set; } = "";

        public string LLAVA_PATH { get; set; } = "/llava/llava-v1.5-7b-q4.llamafile";
        public string LLAVA_ARGS { get; set; } = "--threads {cpuCount} -m llava-v1.5-7b-Q4_K.gguf --mmproj llava-v1.5-7b-mmproj-Q4_0.gguf  --temp 0.0 --silent-prompt  --image \"{imagePath}\" --escape -p \"{prompt}\"";
        public string LLAVA_PROMPT { get; set; } = "### User: I am blind and listening to a university lecture video. What is in this image, that has been extracted from the lecture video? Be concise. Do your best to describe only the technical content of the image that is relevant to learning. Do not add opinions about the image.\n### Assistant:";

        public string LLAVA_LOG_STREAMS { get; set; } = "out,err";
        public string LLAVA_USESHELL { get; set; } = "";

    }

    /// <summary>
    /// Global Constants used across the project.
    /// </summary>
    public static class Globals
    {
        public static AppSettings appSettings;
        public const string ROLE_INSTRUCTOR = "Instructor";
        public const string ROLE_STUDENT = "Student"; // Modifiable
        public const string ROLE_ADMIN = "Admin"; // Unmodifiable
        public const string ROLE_TEACHING_ASSISTANT = "TeachingAssistant";
        public const string ROLE_UNIVERSITY_ADMIN = "UniversityAdmin";
        public const string ROLE_ADVISORS = "Advisors";
        public const string ROLE_MEDIA_WORKER = "MediaWorker";

        public const string TEST_USER_ID = "99";
        public const string MEDIA_WORKER_USER_ID = "98";

        public const string POLICY_UPDATE_OFFERING = "UpdateOffering";
        public const string POLICY_READ_OFFERING = "ReadOffering";
        public const string CLAIM_USER_ID = "classtranscribe/UserId";
   
        public const string MEDIA_WORKER_EMAIL = "automated_media_worker@classtranscribe"; // Deliberately invalid domain
        public const string TEST_USER_EMAIL = "testuser999@classtranscribe.com";

        public const int CAPTION_LENGTH = 40;
    }
}