U hC@shdZddlmZddlmZddlmZddlm Z Gddde Z Gdd d e Z Gd d d e Z d S) aD Channel Core Models This module contains the fundamental channel-related models that form the backbone of the channel management system. Models: - ChannelZone: Geographic zones for channel broadcasting - ChannelCodec: Video/Audio codec configurations - Channel: Main channel model with comprehensive metadata )models)timezone) gettext_lazy) BaseModelc@seZdZdZejdededdZejddeded d Zej ded ed d Z ejddededdZ ej dededdZ GdddZddZddZdS) ChannelZonea Geographic zones for channel broadcasting. Represents different geographic regions where channels can broadcast, each with their own timezone and configuration settings. Attributes: name (str): Human-readable name of the zone code (str): Unique code identifier for the zone description (str): Optional detailed description timezone (str): Timezone identifier for the zone is_active (bool): Whether the zone is currently active Relationships: - channels: Many-to-many with Channel through ChannelZoneRelation Example: >>> zone = ChannelZone.objects.create( ... name="North America East", ... code="NAE", ... timezone="America/New_York" ... ) z Zone Namez*Human-readable name of the geographic zone max_length verbose_name help_text Tz Zone Codez8Unique identifier code for the zone (e.g., "NAE", "EUR")r uniquer r Descriptionz2Optional detailed description of the zone coverageblankr r 2UTCZTimezonez?Timezone identifier (e.g., "America/New_York", "Europe/London"))r defaultr r z Is Activez3Whether this zone is currently accepting broadcastsrr r c@s&eZdZdZdgZedZedZdS)zChannelZone.MetaZ channel_zonesnamez Channel Zonez Channel ZonesN__name__ __module__ __qualname__db_tableordering_r verbose_name_pluralrr8/var/www/html/Focus/src/apps/channels/models/channels.pyMetaIsr!cCs|jd|jdS)N ())rcodeselfrrr __str__OszChannelZone.__str__cCs|jjddS)z Get the number of active channels in this zone. Returns: int: Number of active channels broadcasting in this zone active)status)channelsfiltercountr%rrr get_active_channels_countRsz%ChannelZone.get_active_channels_countN)rrr__doc__r CharFieldrrr$ TextField descriptionr BooleanField is_activer!r'r-rrrr rs>rc@seZdZdZejdededdZejdededdZejded ed dZ ejd d ed eddZ ej ededdZ ej ddd d ededdZejed ededdZGdddZddZdd Zd!d"Zd#S)$ ChannelCodecaR Video and audio codec configurations for channels. Defines encoding parameters, quality settings, and FFmpeg options for different streaming scenarios and quality requirements. Attributes: name (str): Human-readable codec configuration name video_codec (str): Video codec identifier (e.g., "h264", "h265") audio_codec (str): Audio codec identifier (e.g., "aac", "mp3") resolution (str): Video resolution (e.g., "1920x1080", "1280x720") bitrate (int): Bitrate in kbps frame_rate (decimal): Frame rate in fps ffmpeg_options (dict): Additional FFmpeg encoding options Relationships: - channels: One-to-many (default codec for channels) - zone_relations: One-to-many (zone-specific codec overrides) Example: >>> codec = ChannelCodec.objects.create( ... name="HD H264 AAC", ... video_codec="h264", ... audio_codec="aac", ... resolution="1920x1080", ... bitrate=5000, ... frame_rate=29.97 ... ) dz Codec Namez0Human-readable name for this codec configurationrrz Video Codecz.Video codec identifier (h264, h265, vp9, etc.)z Audio Codecz-Audio codec identifier (aac, mp3, opus, etc.)TZ Resolutionz9Video resolution in WIDTHxHEIGHT format (e.g., 1920x1080)r rr r ZBitratezTarget bitrate in kbps)r r z Frame Ratez-Target frame rate in fps (e.g., 29.97, 25.00)) max_digitsdecimal_placesnullrr r zFFmpeg Optionsz1Additional FFmpeg encoding options as JSON object)rrr r c@s&eZdZdZdgZedZedZdS)zChannelCodec.MetaZchannel_codecsrz Channel CodeczChannel CodecsNrrrrr r!sr!cCs|jd|jd|jdS)Nr"/r#)r video_codec audio_codecr%rrr r'szChannelCodec.__str__cCsX|js dSd|jkr(t|jddnd}|dkr8dS|dkrDdS|dkrPd Sd Sd S) z Determine quality profile based on resolution and bitrate. Returns: str: Quality profile (SD, HD, FHD, 4K) UnknownxriZ4KiZFHDiZHDZSDN) resolutionintsplit)r&widthrrr get_quality_profiles"z ChannelCodec.get_quality_profilecCs|jddS)z Estimate required bandwidth in Mbps. Returns: float: Estimated bandwidth requirement in Mbps g333333?i)bitrater%rrr estimate_bandwidth_mbpssz$ChannelCodec.estimate_bandwidth_mbpsN)rrrr.rr/rrr>r?rBPositiveIntegerFieldrG DecimalFieldZ frame_rate JSONFielddictZffmpeg_optionsr!r'rFrHrrrr r4\sXr4c@sveZdZdZdedfdedfdedfded fd ed fd ed fgZdedfdedfdedfdedfgZejdededdZ ejddededdZ ejdeded dZ ejdeded!ed"d#Z ejdeded$ed%d#Z ejed&d'ded(ed)d*Zejd+dded,ed-d.Zejded/ed0d1Zejded2ed3d1Zejd4ded5ed6d7Zejd4ded8ed9d7Zejd:ded;ed<d7Zejded=ed>d?Zejdded@edAdBZejdedCedDd?ZGdEdFdFZdGdHZ e!dIdJZ"d`dKdLZ#dMdNZ$dOdPZ%dQdRZ&dSdTZ'dadVdWZ(dXdYZ)dZd[Z*d\d]Z+d^d_Z,dUS)bChannela Television channels with comprehensive metadata and relationships. Represents individual TV channels with their broadcasting details, network affiliations, geographic coverage, and advertising inventory. Each channel can broadcast in multiple zones with zone-specific configurations. Attributes: name (str): Full channel name display_name (str): Call sign or short identifier channel_number (str): Channel number in listings channel_type (str): Broadcasting technology type status (str): Current operational status logo (ImageField): Channel logo/branding image description (str): Channel description website (str): Official website URL language (str): Primary broadcast language category (str): Content category target_audience (str): Target demographic supports_dai (bool): Dynamic Ad Insertion support max_ad_duration (int): Maximum ad break duration in seconds min_ad_gap (int): Minimum gap between ads in seconds last_health_check (datetime): Last health monitoring check is_online (bool): Current online status Relationships: - zones: Many-to-many through ChannelZoneRelation - codec: Foreign key to default ChannelCodec - programs: One-to-many with EPGProgram - jingles: One-to-many with Jingle - schedules: One-to-many with ChannelSchedule - jingle_detections: One-to-many with JingleDetection Example: >>> channel = Channel.objects.create( ... name="Example News Network", ... display_name="ENN", ... channel_number="24.1", ... channel_type="cable", ... category="News" ... ) Z terrestrialzTerrestrial/Over-the-AirZcablez Cable ChannelZ satellitezSatellite ChannelZiptvz IPTV Channel streamingzStreaming Channelradioz Radio Stationr(ActiveinactiveInactiveZ maintenanceZ MaintenanceZtestingZTestingz Channel Namez,Full official name of the television channelrr6Tz Call Signz@Official call sign or short identifier (e.g., "WABC-TV", "ESPN")r zChannel Numberz@Channel number in cable/satellite listings (e.g., "7.1", "ESPN")z Channel Typez/Broadcasting technology and distribution method)r choicesrr r zChannel Statusz)Current operational status of the channelChannelZoneRelationr*zBroadcasting ZoneszTGeographic zones where this channel is available (can be added later during editing))through related_namerr r zchannels/logos/z Channel LogozChannel logo or branding image) upload_torr<r r zChannel Descriptionz0Brief description of the channel and its contentrzOfficial WebsitezChannel's official website URLzPrimary Languagez%Primary language of broadcast contentr7zContent Categoryz Get all active stream URLs for this channel. FT)rZzone__is_activecSsg|]}|jr|jqSr)rj).0configrrr sz.Channel.get_active_streams..)rr+)r&Zconfigsrrr get_active_streamss zChannel.get_active_streams)T)NNNNNNN)-rrrr.rZ CHANNEL_TYPESSTATUS_CHOICESrr/rrbrZr]r)ManyToManyFieldrro ImageFieldlogor0r1URLFieldwebsitelanguager^Ztarget_audiencer2Z supports_dai DateTimeFieldr_r[r!r'propertyr3rfrirlrnrprrrrrrrrr rMs,                 rMN) r. django.dbr django.utilsrdjango.utils.translationrrapps.common.modelsrrr4rMrrrr s    Hp