@startuml Tanabata File Manager entity relationship diagram

' skinparam linetype ortho


' ========== SYSTEM ==========

entity "system.users" as usr {
    * id : uuid <<generated>>
    --
    * name : varchar(32)
    * password : text
    * is_admin : boolean
}

entity "system.mime" as mime {
    * name : varchar(127)
    --
    * extension : varchar(16)
}


' ========== DATA ==========

entity "data.categories" as cty {
    * id : uuid <<generated>>
    --
    * name : varchar(256)
      notes : text
      color : char(6)
    * created_at : timestamptz <<generated>>
    * creator_id : uuid
    ' * is_private : boolean
}

cty::creator_id }o--|| usr::id

entity "data.files" as fle {
    * id : uuid <<generated>>
    --
      name : varchar(256)
    * mime : varchar(127)
    * datetime : timestamptz
      notes : text
    * metadata : jsonb
    * created_at : timestamptz <<generated>>
    * creator_id : uuid
    ' * is_private : boolean
}

fle::mime }o--|| mime::name
fle::creator_id }o--|| usr::id

entity "data.tags" as tag {
    * id : uuid <<generated>>
    --
    * name : varchar(256)
      notes : text
      color : char(6)
      category_id : uuid
    * created_at : timestamptz <<generated>>
    * creator_id : uuid
    ' * is_private : boolean
}

tag::category_id }o--o| cty::id
tag::creator_id }o--|| usr::id

entity "data.file_tag" as ft {
    * file_id : uuid
    * tag_id : uuid
}

ft::file_id }o--|| fle::id
ft::tag_id }o--|| tag::id

entity "data.autotags" as atg {
    * trigger_tag_id : uuid
    * add_tag_id : uuid
    --
    * is_active : boolean
}

atg::trigger_tag_id }o--|| tag::id
atg::add_tag_id }o--|| tag::id

entity "data.pools" as pool {
    * id : uuid <<generated>>
    --
    * name : varchar(256)
      notes : text
    '   parent_id : uuid
    * created_at : timestamptz
    * creator_id : uuid
    ' * is_private : boolean
}

pool::creator_id }o--|| usr::id
' pool::parent_id }o--o| pool::id

entity "data.file_pool" as fp {
    * file_id : uuid
    * pool_id : uuid
    * number : integer
}

fp::file_id }o--|| fle::id
fp::pool_id }o--|| pool::id


' ========== ACCESS ==========

entity "access.files" as acl_f {
    * user_id : uuid
    * file_id : uuid
    --
    * read : boolean
    * write : boolean
}

acl_f::user_id }o--|| usr::id
acl_f::file_id }o--|| fle::id

entity "access.tags" as acl_t {
    * user_id : uuid
    * tag_id : uuid
    --
    * read : boolean
    * write : boolean
    ' * files_read : boolean
    ' * files_write : boolean
}

acl_t::user_id }o--|| usr::id
acl_t::tag_id }o--|| tag::id

entity "access.categories" as acl_c {
    * user_id : uuid
    * category_id : uuid
    --
    * read : boolean
    * write : boolean
    ' * tags_read : boolean
    ' * tags_write : boolean
}

acl_c::user_id }o--|| usr::id
acl_c::category_id }o--|| cty::id

entity "access.pools" as acl_p {
    * user_id : uuid
    * pool_id : uuid
    --
    * read : boolean
    * write : boolean
    ' * files_read : boolean
    ' * files_write : boolean
}

acl_p::user_id }o--|| usr::id
acl_p::pool_id }o--|| pool::id


' ========== ACTIVITY ==========

entity "activity.sessions" as ssn {
    * id : uuid <<generated>>
    --
    * user_id : uuid
    * user_agent : varchar(512)
    * started_at : timestamptz
      expires_at : timestamptz
    * last_activity : timestamptz
}

ssn::user_id }o--|| usr::id

entity "activity.file_views" as fv {
    * file_id : uuid
    * timestamp : timestamptz
    * user_id : uuid
}

fv::file_id }o--|| fle::id
fv::user_id }o--|| usr::id

entity "activity.tag_uses" as tu {
    * tag_id : uuid
    * timestamp : timestamptz
    * user_id : uuid
    --
    * included : boolean
}

tu::tag_id }o--|| tag::id
tu::user_id }o--|| usr::id

entity "activity.pool_views" as pv {
    * pool_id : uuid
    * timestamp : timestamptz
    * user_id : uuid
}

pv::pool_id }o--|| pool::id
pv::user_id }o--|| usr::id


@enduml