Add info to the Project GraphQL type

lib/sanbase/clickhouse/project/project.ex

@@ -0,0 +1,28 @@
+defmodule Sanbase.Clickhouse.Project do
+  def projects_info(slugs) do
+    query = projects_info_query(slugs)
+
+    Sanbase.ClickhouseRepo.query_reduce(query, %{}, fn [slug, full, summary], acc ->
+      Map.put(acc, slug, %{full: full, summary: summary})
+    end)
+  end
+
+  defp projects_info_query(slugs) do
+    sql = """
+    SELECT
+        slug,
+        info,
+        info_summary
+    FROM projects_info
+    WHERE
+      version = ( SELECT max(version) FROM projects_info) AND
+      slug IN {{slugs}}
+    """
+
+    params = %{
+      slugs: slugs
+    }
+
+    Sanbase.Clickhouse.Query.new(sql, params)
+  end
+end

lib/sanbase_web/graphql/dataloader/clickhouse_dataloader.ex

@@ -5,6 +5,16 @@ defmodule SanbaseWeb.Graphql.ClickhouseDataloader do
 
   def data(), do: Dataloader.KV.new(&query/2)
 
+  def query(:project_info, args) do
+    args
+    |> Enum.to_list()
+    |> Clickhouse.Project.projects_info()
+    |> case do
+      {:ok, map} -> map
+      {:error, _} = error -> error
+    end
+  end
+
   def query(:aggregated_metric, args) do
     args_list = args |> Enum.to_list()
 

lib/sanbase_web/graphql/dataloader/sanbase_dataloader.ex

@@ -21,7 +21,8 @@ defmodule SanbaseWeb.Graphql.SanbaseDataloader do
     :average_daily_active_addresses,
     :average_dev_activity,
     :eth_spent,
-    :aggregated_metric
+    :aggregated_metric,
+    :project_info
   ]
 
   @balance_dataloader [

lib/sanbase_web/graphql/resolvers/project/project_resolver.ex

@@ -93,6 +93,16 @@ defmodule SanbaseWeb.Graphql.Resolvers.ProjectResolver do
     end)
   end
 
+  def project_info(%Project{slug: slug}, _args, %{context: %{loader: loader}}) do
+    loader
+    |> Dataloader.load(SanbaseDataloader, :project_info, slug)
+    |> on_load(fn loader ->
+      description = Dataloader.get(loader, SanbaseDataloader, :project_info, slug)
+
+      {:ok, description}
+    end)
+  end
+
   def roi_usd(%Project{} = project, _args, _resolution) do
     roi = Project.roi_usd(project)
 

lib/sanbase_web/graphql/schema/types/project_types.ex

@@ -360,6 +360,10 @@ defmodule SanbaseWeb.Graphql.ProjectTypes do
     field(:long_description, :string)
     field(:token_decimals, :integer)
 
+    field :info, :project_info do
+      cache_resolve(&ProjectResolver.project_info/3)
+    end
+
     @desc ~s"""
     Shows if a project is marked as hidden.
 
@@ -788,6 +792,11 @@ defmodule SanbaseWeb.Graphql.ProjectTypes do
     end
   end
 
+  object :project_info do
+    field(:full, :string)
+    field(:summary, :string)
+  end
+
   object :ico_with_eth_contract_info do
     field(:id, non_null(:id))
     field(:start_date, :date)

test/sanbase/project/project_info_test.exs

@@ -0,0 +1,50 @@
+defmodule Sanbase.Project.InfoTest do
+  use SanbaseWeb.ConnCase, async: false
+
+  import Sanbase.Factory
+  import SanbaseWeb.Graphql.TestHelpers
+
+  test "get project's available metrics", context do
+    insert(:project, slug: "bitcoin")
+    insert(:project, slug: "ethereum")
+
+    rows = [
+      ["bitcoin", "bitcoin full info", "short btc info"],
+      ["ethereum", "ethereum full info", "short eth info"]
+    ]
+
+    Sanbase.Mock.prepare_mock2(&Sanbase.ClickhouseRepo.query/2, {:ok, %{rows: rows}})
+    |> Sanbase.Mock.run_with_mocks(fn ->
+      result = get_projects_info(context.conn) |> get_in(["data", "allProjects"])
+      assert length(result) == 2
+
+      assert %{
+               "info" => %{"full" => "bitcoin full info", "summary" => "short btc info"},
+               "slug" => "bitcoin"
+             } in result
+
+      assert %{
+               "info" => %{"full" => "ethereum full info", "summary" => "short eth info"},
+               "slug" => "ethereum"
+             } in result
+    end)
+  end
+
+  defp get_projects_info(conn) do
+    query = """
+    {
+      allProjects{
+        slug
+        info {
+          full
+          summary
+        }
+      }
+    }
+    """
+
+    conn
+    |> post("/graphql", query_skeleton(query))
+    |> json_response(200)
+  end
+end