Implement searching, storing and revisiting searches

Closes #23 (closed)

Note: This is missing BDD and TDD for #29 (closed) and #30 (closed) (moved to sprint 7).

features/contexts/property_search_context.exs

+defmodule PropertySearchContext do
+  use WhiteBread.Context
+  use Hound.Helpers
+  alias PropTrackr.Accounts
+  alias PropTrackr.Repo
+  alias PropTrackr.Accounts.User
+  alias PropTrackr.Properties.Property
+
+  scenario_starting_state fn _state ->
+    Ecto.Adapters.SQL.Sandbox.checkout(PropTrackr.Repo)
+    Ecto.Adapters.SQL.Sandbox.mode(PropTrackr.Repo, {:shared, self()})
+    Hound.start_session()
+    %{}
+  end
+
+  scenario_finalize fn _status, _state ->
+    Ecto.Adapters.SQL.Sandbox.checkin(PropTrackr.Repo)
+    Hound.end_session()
+  end
+
+  given_ ~r/^there exists following accounts$/, fn state, %{ table_data: table } ->
+    table
+    |> Enum.map(fn user_details -> User.changeset(%User{}, user_details) end)                            
+    |> Enum.each(fn changeset -> Repo.insert!(changeset) end)
+
+    existing_user = List.first(table)
+
+    {
+      :ok,
+      state
+      |> Map.put(:email, existing_user[:email])
+    }
+  end
+
+  given_ ~r/^the following properties exist$/, fn state, %{ table_data: table } ->
+    owner = Repo.get_by(User, email: state[:email])
+
+    advertisements =
+      table
+      |> Enum.map(fn details -> details |> Map.put(:reference, Ecto.UUID.generate()) end)
+      |> Enum.map(fn details -> {Ecto.build_assoc(owner, :properties, details), details} end)
+      |> Enum.map(fn {assoc, details} -> Property.changeset(assoc, details) end)
+      |> Enum.map(fn changeset -> Repo.insert!(changeset) end)
+
+    countries = Enum.map(advertisements, fn advertisement -> advertisement.location end)
+                |> Enum.map(fn location -> String.split(location, ",") end)
+                |> Enum.map(fn location -> List.last(location) end)
+                |> Enum.map(fn location -> String.trim(location) end)
+                |> Enum.uniq()
+
+    areas = Enum.map(advertisements, fn advertisement -> advertisement.location end)
+            |> Enum.map(fn location -> String.split(location, ",") end)
+            |> Enum.map(fn location -> List.first(location) end)
+            |> Enum.map(fn location -> String.trim(location) end)
+            |> Enum.uniq()
+
+    {
+      :ok,
+      state
+      |> Map.put(:advertisements, advertisements)
+      |> Map.put(:countries, countries)
+      |> Map.put(:areas, areas)
+    }
+  end
+
+  and_ ~r/^I want to perform a search$/, fn state ->
+    navigate_to("/")
+    click({:id, "search"})
+    {:ok, state}
+  end
+
+  then_ ~r/^I should see all countries of the properties in the filter options$/, fn state ->
+    countries = state[:countries]
+    Enum.each(countries, fn country ->
+      assert find_element(:css, "option[value='#{country}']")
+    end)
+
+    {:ok, state}
+  end
+
+  and_ ~r/^I should see all cities of the properties in the filter options$/, fn state ->
+    areas = state[:areas]
+    Enum.each(areas, fn area ->
+      assert find_element(:css, "option[value='#{area}']")
+    end)
+
+    {:ok, state}
+  end
+
+  and_ ~r/^I should see a max price filter with the max price of the properties$/, fn state ->
+    advertisements = state[:advertisements]
+    prices = Enum.map(advertisements, fn advertisement -> advertisement.price end)
+    max_price = Enum.max(prices)
+    assert visible_in_page? ~r/#{max_price}/
+    max_price_element = find_element(:css, "input[id='max_price']")
+    assert max_price_element
+
+    {:ok, state}
+  end
+
+  and_ ~r/^I should see a min price filter with the min price of the properties$/, fn state ->
+    advertisements = state[:advertisements]
+    prices = Enum.map(advertisements, fn advertisement -> advertisement.price end)
+    min_price = Enum.min(prices)
+    assert visible_in_page? ~r/#{min_price}/
+    min_price_element = find_element(:css, "input[id='min_price']")
+    assert min_price_element
+
+    {:ok, state}
+  end
+
+  and_ ~r/^I should see a max room filter with the room count of the properties$/, fn state ->
+    advertisements = state[:advertisements]
+    rooms = Enum.map(advertisements, fn advertisement -> advertisement.room_count end)
+    max_rooms = Enum.max(rooms)
+
+    assert visible_in_page? ~r/#{max_rooms}/
+    max_rooms_element = find_element(:css, "input[id='max_rooms']")
+    assert max_rooms_element
+
+    {:ok, state}
+  end
+
+  and_ ~r/^I should see a min room filter with the room count of the properties$/, fn state ->
+    advertisements = state[:advertisements]
+    rooms = Enum.map(advertisements, fn advertisement -> advertisement.room_count end)
+    min_rooms = Enum.max(rooms)
+
+    assert visible_in_page? ~r/#{min_rooms}/
+    min_rooms_element = find_element(:css, "input[id='min_rooms']")
+    assert min_rooms_element
+
+    {:ok, state}
+  end
+
+  when_ ~r/^I click on the search button$/, fn state ->
+    click({:id, "search_button"})
+    {:ok, state}
+  end
+
+  then_ ~r/^I should see "(?<count>[^"]+)" properties$/, fn state, %{ count: count } ->
+    el_count = length(find_all_elements(:class, "property-card"))
+    assert el_count == String.to_integer(count)
+    {:ok, state}
+  end
+
+end