feat: add color filtering

src/app/Components/ArtworkFilter/Filters/ColorsOptions.tsx

@@ -38,7 +38,16 @@ export const COLORS_INDEXED_BY_VALUE = COLORS.reduce(
   {}
 )
 
-const SWATCHES_PER_ROW = 4
+export const COLORS_OPTIONS: FilterData[] = COLORS.map((color) => {
+  return {
+    // names returned by Metaphysics are actually the slugs
+    displayText: color.name,
+    paramValue: color.value,
+    paramName: FilterParamName.colors,
+  }
+})
+
+export const SWATCHES_PER_ROW = 4
 
 type ColorsOptionsScreenProps = StackScreenProps<
   ArtworkFilterNavigationStack,

src/app/Components/ArtworkFilter/Filters/ColorsSwatch.tsx

@@ -37,6 +37,7 @@ export const ColorsSwatch: React.FC<ColorsSwatchProps> = ({
               height="18px"
               marginTop="-9px"
               marginLeft="-9px"
+              testID={`check-icon-${name}`}
               fill={foregroundColor as any} // Annoying
             />
           )}

src/app/Scenes/SavedSearchAlert/Components/SavedSearchFilterColour.tests.tsx

@@ -0,0 +1,78 @@
+import { OwnerType } from "@artsy/cohesion"
+import { fireEvent, waitFor } from "@testing-library/react-native"
+import {
+  COLORS_INDEXED_BY_VALUE,
+  COLORS_OPTIONS,
+} from "app/Components/ArtworkFilter/Filters/ColorsOptions"
+import { SavedSearchFilterColour } from "app/Scenes/SavedSearchAlert/Components/SavedSearchFilterColour"
+import {
+  SavedSearchModel,
+  SavedSearchStoreProvider,
+  savedSearchModel,
+} from "app/Scenes/SavedSearchAlert/SavedSearchStore"
+import { renderWithWrappers } from "app/utils/tests/renderWithWrappers"
+
+describe("SavedSearchFilterColour", () => {
+  it("shows all available color options unselected", () => {
+    const { getByTestId } = renderWithWrappers(
+      <SavedSearchStoreProvider runtimeModel={initialData}>
+        <SavedSearchFilterColour />
+      </SavedSearchStoreProvider>
+    )
+
+    COLORS_OPTIONS.forEach((option) => {
+      expect(() =>
+        getByTestId(`check-icon-${COLORS_INDEXED_BY_VALUE[option.paramValue as string].name}`)
+      ).toThrow()
+    })
+  })
+
+  it("shows the right selected state", () => {
+    const { getByTestId } = renderWithWrappers(
+      <SavedSearchStoreProvider runtimeModel={{ ...initialData, attributes: { colors: ["red"] } }}>
+        <SavedSearchFilterColour />
+      </SavedSearchStoreProvider>
+    )
+
+    COLORS_OPTIONS.forEach((option) => {
+      if (option.paramValue !== "red") {
+        expect(() =>
+          getByTestId(`check-icon-${COLORS_INDEXED_BY_VALUE[option.paramValue as string].name}`)
+        ).toThrow()
+      } else {
+        expect(
+          getByTestId(`check-icon-${COLORS_INDEXED_BY_VALUE[option.paramValue as string].name}`)
+        ).toBeDefined()
+      }
+    })
+  })
+
+  it("Updates selected filters on press", () => {
+    const { getByTestId, getByText } = renderWithWrappers(
+      <SavedSearchStoreProvider runtimeModel={initialData}>
+        <SavedSearchFilterColour />
+      </SavedSearchStoreProvider>
+    )
+
+    fireEvent(getByText("Red"), "onPress")
+
+    waitFor(() => {
+      expect(getByTestId("check-icon-Red")).toBeDefined()
+    })
+  })
+})
+
+const initialData: SavedSearchModel = {
+  ...savedSearchModel,
+  attributes: {
+    atAuction: true,
+  },
+  entity: {
+    artists: [{ id: "artistID", name: "Banksy" }],
+    owner: {
+      type: OwnerType.artist,
+      id: "ownerId",
+      slug: "ownerSlug",
+    },
+  },
+}

src/app/Scenes/SavedSearchAlert/Components/SavedSearchFilterColour.tsx

@@ -0,0 +1,75 @@
+import { Flex, Spacer, Text, useScreenDimensions, useSpace } from "@artsy/palette-mobile"
+import {
+  COLORS_INDEXED_BY_VALUE,
+  COLORS_OPTIONS,
+  SWATCHES_PER_ROW,
+} from "app/Components/ArtworkFilter/Filters/ColorsOptions"
+import { ColorsSwatch } from "app/Components/ArtworkFilter/Filters/ColorsSwatch"
+import { SearchCriteria } from "app/Components/ArtworkFilter/SavedSearch/types"
+import { SavedSearchStore } from "app/Scenes/SavedSearchAlert/SavedSearchStore"
+import { isValueSelected, useSearchCriteriaAttributes } from "app/Scenes/SavedSearchAlert/helpers"
+
+export const SavedSearchFilterColour = () => {
+  const selectedAttributes = useSearchCriteriaAttributes(SearchCriteria.colors) as string[]
+
+  const { width } = useScreenDimensions()
+  const space = useSpace()
+
+  const setValueToAttributesByKeyAction = SavedSearchStore.useStoreActions(
+    (actions) => actions.setValueToAttributesByKeyAction
+  )
+  const removeValueFromAttributesByKeyAction = SavedSearchStore.useStoreActions(
+    (actions) => actions.removeValueFromAttributesByKeyAction
+  )
+
+  const handlePress = (value: string) => {
+    const isSelected = isValueSelected({
+      selectedAttributes,
+      value: value,
+    })
+
+    if (isSelected) {
+      removeValueFromAttributesByKeyAction({
+        key: SearchCriteria.colors,
+        value: value,
+      })
+    } else {
+      const newValues = (selectedAttributes || []).concat(value)
+      setValueToAttributesByKeyAction({
+        key: SearchCriteria.colors,
+        value: newValues,
+      })
+    }
+  }
+
+  return (
+    <Flex>
+      <Text px={2} variant="sm" fontWeight={500}>
+        Colour
+      </Text>
+      <Spacer y={1} />
+      <Flex flexDirection="row" flexWrap="wrap" px={1}>
+        {COLORS_OPTIONS.map((option, i) => {
+          const color = COLORS_INDEXED_BY_VALUE[String(option.paramValue)]
+
+          return (
+            <ColorsSwatch
+              key={i}
+              width={(width - space(1) * 2) / SWATCHES_PER_ROW}
+              selected={isValueSelected({
+                selectedAttributes,
+                value: option.paramValue,
+              })}
+              name={color.name}
+              backgroundColor={color.backgroundColor}
+              foregroundColor={color.foregroundColor}
+              onPress={() => {
+                handlePress(option.paramValue as string)
+              }}
+            />
+          )
+        })}
+      </Flex>
+    </Flex>
+  )
+}

src/app/Scenes/SavedSearchAlert/screens/SavedSearchFilterScreen.tsx

@@ -3,6 +3,7 @@ import { useNavigation } from "@react-navigation/native"
 import { SearchCriteria } from "app/Components/ArtworkFilter/SavedSearch/types"
 import { FancyModalHeader } from "app/Components/FancyModal/FancyModalHeader"
 import { SavedSearchAppliedFilters } from "app/Scenes/SavedSearchAlert/Components/SavedSearchFilterAppliedFilters"
+import { SavedSearchFilterColour } from "app/Scenes/SavedSearchAlert/Components/SavedSearchFilterColour"
 import { SavedSearchRarity } from "app/Scenes/SavedSearchAlert/Components/SavedSearchFilterRarity"
 import { SavedSearchStore } from "app/Scenes/SavedSearchAlert/SavedSearchStore"
 import { MotiView } from "moti"
@@ -24,6 +25,7 @@ export const SavedSearchFilterScreen: React.FC<{}> = () => {
       <Join separator={<Separator my={2} borderColor="black10" />}>
         <SavedSearchAppliedFilters />
         <SavedSearchRarity />
+        <SavedSearchFilterColour />
       </Join>
     </Flex>
   )