Upload of project source code files.

priv/repo/migrations/.formatter.exs

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+[
+  import_deps: [:ecto_sql],
+  inputs: ["*.exs"]
+]

priv/repo/migrations/20241103165448_create_users.exs

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+defmodule Vishnya.Repo.Migrations.CreateUsers do
+  use Ecto.Migration
+
+  def change do
+    create table(:users) do
+      add :username, :string, null: false, size: 12
+      add :password_hash, :string, null: false
+      add :user_id, :string, null: false, size: 18
+      add :token, :string, null: false
+
+      timestamps()
+    end
+
+    create unique_index(:users, [:username])
+    create unique_index(:users, [:user_id])
+    create unique_index(:users, [:token])
+  end
+end

priv/repo/migrations/20241107202537_create_discord_users.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordUsers do
+  use Ecto.Migration
+
+  def change do
+    create table(:discord_users) do
+      add :user_id, :bigint
+      add :username, :string
+      add :discriminator, :string
+      add :profile_picture, :string
+      add :bio, :text
+      add :pronouns, :string
+      add :status, :string
+      add :banner_color, :string
+      add :has_nitro, :boolean
+      add :badges, {:array, :string}
+
+      timestamps()
+    end
+
+    create unique_index(:discord_users, [:user_id])
+  end
+end

priv/repo/migrations/20241107202548_create_discord_servers.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordServers do
+  use Ecto.Migration
+
+  def change do
+    create table(:servers) do
+      add :server_id, :bigint
+      add :server_name, :string
+      add :member_count, :integer
+      add :invite_links, {:array, :string}
+      add :vanity_url, :string
+      add :banner_url, :string
+      add :created_at, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:servers, [:server_id])
+  end
+end

priv/repo/migrations/20241107202557_create_discord_channels.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordChannels do
+  use Ecto.Migration
+
+  def change do
+    create table(:channels) do
+      add :channel_id, :bigint
+      add :server_id, references(:servers, column: :server_id, type: :bigint)
+      add :channel_name, :string
+      add :description, :text
+      add :type, :string  # e.g., "text", "voice", etc.
+      add :created_at, :utc_datetime
+
+      timestamps()
+    end
+
+    create index(:channels, [:channel_id])
+  end
+end

priv/repo/migrations/20241107202606_create_discord_messages.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordMessages do
+  use Ecto.Migration
+
+  def change do
+    create table(:messages) do
+      add :message_id, :bigint
+      add :user_id, references(:discord_users, column: :user_id, type: :bigint)
+      add :channel_id, references(:channels, column: :id, type: :bigint)
+      add :server_id, references(:servers, column: :id, type: :bigint)
+      add :content, :text
+      add :attachments, {:array, :string}
+      add :type, :string
+      add :sent_at, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:messages, [:message_id])
+  end
+end

priv/repo/migrations/20241107203826_create_discord_message_change_logs.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordMessageChangeLogs do
+  use Ecto.Migration
+
+  def change do
+    create table(:message_change_logs) do
+      add :message_id, references(:messages, type: :bigint, on_delete: :delete_all)
+      add :user_id, references(:discord_users, column: :user_id, type: :bigint)
+      add :channel_id, references(:channels, column: :id, type: :bigint)
+      add :server_id, references(:servers, column: :id, type: :bigint)
+      add :content, :text
+      add :attachments, {:array, :string}
+      add :type, :string
+      add :change_timestamp, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:message_change_logs, [:message_id, :change_timestamp])
+  end
+end

priv/repo/migrations/20241107203842_create_discord_server_change_logs.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordServerChangeLogs do
+  use Ecto.Migration
+
+  def change do
+    create table(:server_change_logs) do
+      add :server_id, references(:servers, column: :id, type: :bigint)
+      add :server_name, :string
+      add :member_count, :integer
+      add :invite_links, {:array, :string}
+      add :vanity_url, :string
+      add :banner_url, :string
+      add :change_timestamp, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:server_change_logs, [:server_id, :change_timestamp])
+  end
+end

priv/repo/migrations/20241107203849_create_discord_user_change_logs.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordUserChangeLogs do
+  use Ecto.Migration
+
+  def change do
+    create table(:user_change_logs) do
+      add :user_id, references(:discord_users, column: :user_id, type: :bigint)
+      add :username, :string
+      add :discriminator, :string
+      add :profile_picture, :string
+      add :bio, :text
+      add :pronouns, :string
+      add :status, :string
+      add :banner_color, :string
+      add :has_nitro, :boolean
+      add :badges, {:array, :string}
+      add :change_timestamp, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:user_change_logs, [:user_id, :change_timestamp])
+  end
+end

priv/repo/migrations/20241107203856_create_discord_channel_change_logs.exs

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+defmodule Vishnya.Repo.Migrations.CreateDiscordChannelChangeLogs do
+  use Ecto.Migration
+
+  def change do
+    create table(:channel_change_logs) do
+      add :channel_id, references(:channels, column: :id, type: :bigint)
+      add :server_id, references(:servers, column: :id, type: :bigint)
+      add :channel_name, :string
+      add :description, :text
+      add :type, :string
+      add :change_timestamp, :utc_datetime
+
+      timestamps()
+    end
+
+    create unique_index(:channel_change_logs, [:channel_id, :change_timestamp])
+  end
+end

priv/repo/seeds.exs

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+# Script for populating the database. You can run it as:
+#
+#     mix run priv/repo/seeds.exs
+#
+# Inside the script, you can read and write to any of your
+# repositories directly:
+#
+#     Vishnya.Repo.insert!(%Vishnya.SomeSchema{})
+#
+# We recommend using the bang functions (`insert!`, `update!`
+# and so on) as they will fail if something goes wrong.