Lucky Models

organization.cr

class Organization < BaseModel
  table :organizations do
    column name : String
    column email : String
    column profile_image_url : String?
    column description : String?

    column github_username : String?
    column gitlab_username : String?
    column twitter_username : String?
    column website_url : String?

    has_many organization_members : OrganizationMember
    has_many members : User, through: :organization_members
  end

  def profile_photo
    if profile_image = profile_image_url
      profile_image
    else
      "https://placeimg.com/300/300/arch/grayscale"
    end
  end
end

organization_member.cr

class OrganizationMember < BaseModel
  table :organization_members do
    belongs_to user : User
    belongs_to organization : Organization
  end
end

shard.cr

class Shard < BaseModel
  table :shards do
    column name : String
    column description : String?
    column readme_content : String?

    column spdx_license_identifier : String?
    column license_url : String?
    column license_content : String?

    column repository_url : String
    column repository_type : String

    column documentation_url : String?
    column bug_tracker_url : String?
    column authors : String?

    has_many downloads : ShardDownload
    has_many versions : ShardVersion

    column shardable_type : String
    column shardable_id : Int32
  end

  def shardable
    if shardable_type == "organization"
      OrganizationQuery.find(shardable_id)
    elsif shardable_type == "user"
      UserQuery.find(shardable_id)
    else
      raise "Unexpected shardable_type: #{shardable_type}"
    end
  end
end

shard_download.cr

class ShardDownload < BaseModel
  # Use ipstack for getting info about the user
  table :shard_downloads do
    column ip_columnress : String
    column user_agent : String
    column continent_code : String?
    column continent_name : String?
    column country_code : String?
    column country_name : String?
    column region_code : String?
    column region_name : String?
    column city : String?
    column zip : Int32?
    column time_zone : String?
    column time_zone_code : String?
    column isp : String?
    column proxied : Bool?
    column crawler : Bool?
    column crawler_name : String?
    column crawler_type : String?
    column tor : Bool?

    belongs_to user : User?
    belongs_to shard_version : ShardVersion
  end
end

shard_version.cr

class ShardVersion < BaseModel
  table :shard_versions do
    column name : String
    column ghid : Int32
    column node_id : String
    column url : String
    column description : String?
    column prerelease : Bool
    column published_at : Time
    column tarball_url : String

    belongs_to shard : Shard
  end
end

user.cr

class User < BaseModel
  include Carbon::Emailable
  include Authentic::PasswordAuthenticatable

  table :users do
    column email : String
    column username : String
    column full_name : String?

    column encrypted_password : String

    column github_username : String?
    column gitlab_username : String?
    column twitter_username : String?
    column personal_website : String?

    column newsletter : Bool = false
    column superuser : Bool?

    has_many organization_members : OrganizationMember
    has_many organizations : Organization, through: :organization_members
  end

  def is_superuser?
    @superuser
  end

  def profile_photo
    GravatarHelper.gravatar_for_email(email)
  end

  def emailable
    Carbon::Address.new(email)
  end
end

Error:

Error in tasks.cr:2: while requiring "./src/app"

require "./src/app"
^

in src/app.cr:9: while requiring "./models/**"

require "./models/**"
^

in src/models/organization_member.cr:3: expanding macro

    belongs_to user : User
    ^~~~~~~~~~

in lib/avram/src/avram/associations.cr:66: undefined constant User

    {% owner_id_type = model.resolve.constant(:PRIMARY_KEY_TYPE_CLASS) %}
                             ^~~~~~~

in src/models/organization_member.cr:3: undefined constant User

    belongs_to user : User
                      ^~~~

Error in tasks.cr:2: while requiring "./src/app"

require "./src/app"
^

in src/app.cr:9: while requiring "./models/**"

require "./models/**"
^

in src/models/organization_member.cr:3: expanding macro

    belongs_to user : User
    ^~~~~~~~~~

in lib/avram/src/avram/associations.cr:66: undefined constant User

    {% owner_id_type = model.resolve.constant(:PRIMARY_KEY_TYPE_CLASS) %}
                             ^~~~~~~

in src/models/organization_member.cr:3: undefined constant User

    belongs_to user : User
                      ^~~~