feat: habit create use case

app/_layout.tsx

@@ -6,6 +6,7 @@ import {
 } from "react-native-paper"
 import { StatusBar } from "expo-status-bar"
 import { useEffect } from "react"
+import { GestureHandlerRootView } from "react-native-gesture-handler"
 
 import { HabitsTrackerProvider } from "@/presentation/react/contexts/HabitsTracker"
 import {
@@ -61,7 +62,9 @@ const RootLayout: React.FC = () => {
             },
           }}
         >
+          <GestureHandlerRootView style={{ flex: 1 }}>
             <StackLayout />
+          </GestureHandlerRootView>
 
           <StatusBar style="dark" />
         </PaperProvider>

app/application/habits/index.tsx

@@ -30,7 +30,8 @@ const HabitsPage: React.FC = () => {
       ) : retrieveHabitsTracker.state === "error" ? (
         <>
           <Text variant="titleLarge">
-            Error: There was an issue while retrieving habits, please try again.
+            Error: There was an issue while retrieving habits, please try again
+            later.
           </Text>
           <Button
             mode="contained"

domain/entities/Goal.ts

@@ -12,8 +12,8 @@ export const GOAL_FREQUENCIES = GOAL_FREQUENCIES_ZOD.map((frequency) => {
 export type GoalFrequency = (typeof GOAL_FREQUENCIES)[number]
 
 export const GOAL_TYPES_ZOD = [
-  z.literal("numeric"),
   z.literal("boolean"),
+  z.literal("numeric"),
 ] as const
 export const goalTypeZod = z.union(GOAL_TYPES_ZOD)
 export const GOAL_TYPES = GOAL_TYPES_ZOD.map((type) => {
@@ -51,6 +51,16 @@ export abstract class Goal implements GoalBase {
     this.frequency = frequency
   }
 
+  public static create(options: GoalCreateData): Goal {
+    if (options.target.type === "boolean") {
+      return new GoalBoolean(options)
+    }
+    return new GoalNumeric({
+      frequency: options.frequency,
+      target: options.target,
+    })
+  }
+
   public static isNumeric(goal: Goal): goal is GoalNumeric {
     return goal.type === "numeric"
   }

domain/entities/Habit.ts

@@ -15,15 +15,15 @@ export const HabitCreateSchema = HabitSchema.extend({
 }).omit({ id: true })
 export type HabitCreateData = z.infer<typeof HabitCreateSchema>
 
-type HabitDataBase = z.infer<typeof HabitSchema>
+type HabitBase = z.infer<typeof HabitSchema>
 
-export interface HabitData extends HabitDataBase {
+export interface HabitData extends HabitBase {
   goal: Goal
   startDate: Date
   endDate?: Date
 }
 
-export interface HabitJSON extends HabitDataBase {
+export interface HabitJSON extends HabitBase {
   goal: GoalBaseJSON
   startDate: string
   endDate?: string

domain/entities/HabitProgress.ts

@@ -3,16 +3,16 @@ import type { Habit } from "./Habit"
 import type { EntityData } from "./_Entity"
 import { Entity } from "./_Entity"
 
-interface HabitProgressDataBase extends EntityData {
+interface HabitProgressBase extends EntityData {
   habitId: Habit["id"]
 }
 
-export interface HabitProgressData extends HabitProgressDataBase {
+export interface HabitProgressData extends HabitProgressBase {
   goalProgress: GoalProgress
   date: Date
 }
 
-export interface HabitProgressJSON extends HabitProgressDataBase {
+export interface HabitProgressJSON extends HabitProgressBase {
   goalProgress: GoalProgressBase
   date: string
 }

domain/entities/HabitsTracker.ts

@@ -1,5 +1,6 @@
 import type { GoalFrequency } from "./Goal"
-import type { HabitHistory } from "./HabitHistory"
+import type { Habit } from "./Habit"
+import { HabitHistory } from "./HabitHistory"
 
 export interface HabitsTrackerData {
   habitsHistory: {
@@ -24,4 +25,13 @@ export class HabitsTracker implements HabitsTrackerData {
       },
     })
   }
+
+  public addHabit(habit: Habit): void {
+    this.habitsHistory[habit.goal.frequency].push(
+      new HabitHistory({
+        habit,
+        progressHistory: [],
+      }),
+    )
+  }
 }

domain/repositories/HabitCreate.ts

@@ -0,0 +1,9 @@
+import type { Habit, HabitCreateData } from "../entities/Habit"
+
+export interface HabitCreateOptions {
+  habitCreateData: HabitCreateData
+}
+
+export interface HabitCreateRepository {
+  execute: (options: HabitCreateOptions) => Promise<Habit>
+}

domain/use-cases/HabitCreate.ts

@@ -0,0 +1,23 @@
+import type { Habit } from "../entities/Habit"
+import { HabitCreateSchema } from "../entities/Habit"
+import type { HabitCreateRepository } from "../repositories/HabitCreate"
+
+export interface HabitCreateUseCaseDependencyOptions {
+  habitCreateRepository: HabitCreateRepository
+}
+
+export class HabitCreateUseCase implements HabitCreateUseCaseDependencyOptions {
+  public habitCreateRepository: HabitCreateRepository
+
+  public constructor(options: HabitCreateUseCaseDependencyOptions) {
+    this.habitCreateRepository = options.habitCreateRepository
+  }
+
+  public async execute(data: unknown): Promise<Habit> {
+    const habitCreateData = await HabitCreateSchema.parseAsync(data)
+    const habit = await this.habitCreateRepository.execute({
+      habitCreateData,
+    })
+    return habit
+  }
+}

infrastructure/instances.ts

@@ -6,6 +6,8 @@ import { GetHabitProgressHistorySupabaseRepository } from "./supabase/repositori
 import { GetHabitsByUserIdSupabaseRepository } from "./supabase/repositories/GetHabitsByUserId"
 import { supabaseClient } from "./supabase/supabase"
 import { AuthenticationPresenter } from "@/presentation/presenters/Authentication"
+import { HabitCreateSupabaseRepository } from "./supabase/repositories/HabitCreate"
+import { HabitCreateUseCase } from "@/domain/use-cases/HabitCreate"
 
 /**
  * Repositories
@@ -20,6 +22,9 @@ const getHabitProgressesRepository =
 const getHabitsByUserIdRepository = new GetHabitsByUserIdSupabaseRepository({
   supabaseClient,
 })
+const habitCreateRepository = new HabitCreateSupabaseRepository({
+  supabaseClient,
+})
 
 /**
  * Use Cases
@@ -27,6 +32,9 @@ const getHabitsByUserIdRepository = new GetHabitsByUserIdSupabaseRepository({
 const authenticationUseCase = new AuthenticationUseCase({
   authenticationRepository,
 })
+const habitCreateUseCase = new HabitCreateUseCase({
+  habitCreateRepository,
+})
 const retrieveHabitsTrackerUseCase = new RetrieveHabitsTrackerUseCase({
   getHabitProgressHistoryRepository: getHabitProgressesRepository,
   getHabitsByUserIdRepository,
@@ -40,4 +48,5 @@ export const authenticationPresenter = new AuthenticationPresenter({
 })
 export const habitsTrackerPresenter = new HabitsTrackerPresenter({
   retrieveHabitsTrackerUseCase,
+  habitCreateUseCase,
 })

infrastructure/supabase/repositories/HabitCreate.ts

@@ -0,0 +1,42 @@
+import { Habit } from "@/domain/entities/Habit"
+import type { HabitCreateRepository } from "@/domain/repositories/HabitCreate"
+import { SupabaseRepository } from "./_SupabaseRepository"
+import { Goal } from "@/domain/entities/Goal"
+
+export class HabitCreateSupabaseRepository
+  extends SupabaseRepository
+  implements HabitCreateRepository
+{
+  public execute: HabitCreateRepository["execute"] = async (options) => {
+    const { habitCreateData } = options
+    const { data, error } = await this.supabaseClient
+      .from("habits")
+      .insert({
+        name: habitCreateData.name,
+        color: habitCreateData.color,
+        icon: habitCreateData.icon,
+        goal_frequency: habitCreateData.goal.frequency,
+        ...(habitCreateData.goal.target.type === "numeric"
+          ? {
+              goal_target: habitCreateData.goal.target.value,
+              goal_target_unit: habitCreateData.goal.target.unit,
+            }
+          : {}),
+      })
+      .select("*")
+    const insertedHabit = data?.[0]
+    if (error != null || insertedHabit == null) {
+      throw new Error(error?.message ?? "Failed to create habit.")
+    }
+    const habit = new Habit({
+      id: insertedHabit.id.toString(),
+      userId: insertedHabit.user_id.toString(),
+      name: insertedHabit.name,
+      icon: insertedHabit.icon,
+      goal: Goal.create(habitCreateData.goal),
+      color: insertedHabit.color,
+      startDate: new Date(insertedHabit.start_date),
+    })
+    return habit
+  }
+}

infrastructure/supabase/seed.sql

@@ -262,3 +262,6 @@ VALUES
     timezone('utc' :: text, NOW()),
     4733
   );
+
+-- SELECT setval('habits_id_seq', (SELECT coalesce(MAX(id) + 1, 1) FROM habits), false);
+-- SELECT setval('habits_progresses_id_seq', (SELECT coalesce(MAX(id) + 1, 1) FROM habits_progresses), false);

infrastructure/supabase/supabase.ts

@@ -5,8 +5,12 @@ import AsyncStorage from "@react-native-async-storage/async-storage"
 
 import type { Database } from "./supabase-types"
 
-const SUPABASE_URL = process.env["EXPO_PUBLIC_SUPABASE_URL"] ?? ""
-const SUPABASE_ANON_KEY = process.env["EXPO_PUBLIC_SUPABASE_ANON_KEY"] ?? ""
+const SUPABASE_URL =
+  process.env["EXPO_PUBLIC_SUPABASE_URL"] ??
+  "https://wjtwtzxreersqfvfgxrz.supabase.co"
+const SUPABASE_ANON_KEY =
+  process.env["EXPO_PUBLIC_SUPABASE_ANON_KEY"] ??
+  "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6IndqdHd0enhyZWVyc3FmdmZneHJ6Iiwicm9sZSI6ImFub24iLCJpYXQiOjE3MTExNDcyNzAsImV4cCI6MjAyNjcyMzI3MH0.AglONhsMvmcCRkqwrZsB4Ws9u3o1FAbLlpKJmqeUv8I"
 
 export const supabaseClient = createClient<Database>(
   SUPABASE_URL,

package.json

@@ -23,7 +23,7 @@
     "@hookform/resolvers": "3.3.4",
     "@react-native-async-storage/async-storage": "1.21.0",
     "@react-navigation/native": "6.1.16",
-    "@supabase/supabase-js": "2.39.8",
+    "@supabase/supabase-js": "2.42.0",
     "expo": "50.0.14",
     "expo-font": "11.10.3",
     "expo-linking": "6.2.2",
@@ -35,13 +35,13 @@
     "immer": "10.0.4",
     "react": "18.2.0",
     "react-dom": "18.2.0",
-    "react-hook-form": "7.51.1",
+    "react-hook-form": "7.51.2",
     "react-native": "0.73.6",
     "react-native-calendars": "1.1304.1",
     "react-native-elements": "3.4.3",
-    "react-native-gesture-handler": "2.16.0",
+    "react-native-gesture-handler": "2.14.1",
     "react-native-paper": "5.12.3",
-    "react-native-reanimated": "~3.6.2",
+    "react-native-reanimated": "3.6.3",
     "react-native-safe-area-context": "4.8.2",
     "react-native-screens": "3.29.0",
     "react-native-url-polyfill": "2.0.0",
@@ -51,18 +51,18 @@
     "zod": "3.22.4"
   },
   "devDependencies": {
-    "@babel/core": "7.24.3",
+    "@babel/core": "7.24.4",
     "@commitlint/cli": "19.1.0",
     "@commitlint/config-conventional": "19.1.0",
-    "@testing-library/react-native": "12.4.4",
+    "@testing-library/react-native": "12.4.5",
     "@total-typescript/ts-reset": "0.5.1",
-    "@tsconfig/strictest": "2.0.3",
+    "@tsconfig/strictest": "2.0.5",
     "@types/jest": "29.5.12",
-    "@types/node": "20.11.30",
-    "@types/react": "18.2.69",
+    "@types/node": "20.12.4",
+    "@types/react": "18.2.74",
     "@types/react-test-renderer": "18.0.7",
-    "@typescript-eslint/eslint-plugin": "7.3.1",
-    "@typescript-eslint/parser": "7.3.1",
+    "@typescript-eslint/eslint-plugin": "7.5.0",
+    "@typescript-eslint/parser": "7.5.0",
     "eslint": "8.57.0",
     "eslint-config-conventions": "14.1.0",
     "eslint-config-prettier": "9.1.0",
@@ -79,7 +79,7 @@
     "jest-junit": "16.0.0",
     "lint-staged": "15.2.2",
     "react-test-renderer": "18.2.0",
-    "supabase": "1.150.0",
-    "typescript": "5.4.3"
+    "supabase": "1.153.4",
+    "typescript": "5.4.4"
   }
 }

presentation/presenters/HabitsTracker.ts

@@ -1,10 +1,15 @@
+import { ZodError } from "zod"
+
 import { HabitsTracker } from "@/domain/entities/HabitsTracker"
-import type { FetchState } from "./_Presenter"
+import type { ErrorGlobal, FetchState } from "./_Presenter"
 import { Presenter } from "./_Presenter"
 import type {
   RetrieveHabitsTrackerUseCase,
   RetrieveHabitsTrackerUseCaseOptions,
 } from "@/domain/use-cases/RetrieveHabitsTracker"
+import type { HabitCreateData } from "@/domain/entities/Habit"
+import { getErrorsFieldsFromZodError } from "./utils/zod"
+import type { HabitCreateUseCase } from "@/domain/use-cases/HabitCreate"
 
 export interface HabitsTrackerPresenterState {
   habitsTracker: HabitsTracker
@@ -12,10 +17,19 @@ export interface HabitsTrackerPresenterState {
   retrieveHabitsTracker: {
     state: FetchState
   }
+
+  habitCreate: {
+    state: FetchState
+    errors: {
+      fields: Array<keyof HabitCreateData>
+      global: ErrorGlobal
+    }
+  }
 }
 
 export interface HabitsTrackerPresenterOptions {
   retrieveHabitsTrackerUseCase: RetrieveHabitsTrackerUseCase
+  habitCreateUseCase: HabitCreateUseCase
 }
 
 export class HabitsTrackerPresenter
@@ -23,12 +37,53 @@ export class HabitsTrackerPresenter
   implements HabitsTrackerPresenterOptions
 {
   public retrieveHabitsTrackerUseCase: RetrieveHabitsTrackerUseCase
+  public habitCreateUseCase: HabitCreateUseCase
 
   public constructor(options: HabitsTrackerPresenterOptions) {
-    const { retrieveHabitsTrackerUseCase } = options
+    const { retrieveHabitsTrackerUseCase, habitCreateUseCase } = options
     const habitsTracker = HabitsTracker.default()
-    super({ habitsTracker, retrieveHabitsTracker: { state: "idle" } })
+    super({
+      habitsTracker,
+      retrieveHabitsTracker: { state: "idle" },
+      habitCreate: {
+        state: "idle",
+        errors: {
+          fields: [],
+          global: null,
+        },
+      },
+    })
     this.retrieveHabitsTrackerUseCase = retrieveHabitsTrackerUseCase
+    this.habitCreateUseCase = habitCreateUseCase
+  }
+
+  public async habitCreate(data: unknown): Promise<FetchState> {
+    try {
+      this.setState((state) => {
+        state.habitCreate.state = "loading"
+        state.habitCreate.errors = {
+          fields: [],
+          global: null,
+        }
+      })
+      const habit = await this.habitCreateUseCase.execute(data)
+      this.setState((state) => {
+        state.habitCreate.state = "success"
+        state.habitsTracker.addHabit(habit)
+      })
+      return "success"
+    } catch (error) {
+      this.setState((state) => {
+        state.habitCreate.state = "error"
+        if (error instanceof ZodError) {
+          state.habitCreate.errors.fields =
+            getErrorsFieldsFromZodError<HabitCreateData>(error)
+        } else {
+          state.habitCreate.errors.global = "unknown"
+        }
+      })
+      return "error"
+    }
   }
 
   public async retrieveHabitsTracker(

presentation/react/components/HabitCreateForm/HabitCreateForm.tsx

@@ -1,10 +1,11 @@
 import { zodResolver } from "@hookform/resolvers/zod"
 import { Controller, useForm } from "react-hook-form"
+import { ScrollView, StyleSheet } from "react-native"
 import {
-  Appbar,
   Button,
   HelperText,
   SegmentedButtons,
+  Snackbar,
   Text,
   TextInput,
 } from "react-native-paper"
@@ -14,50 +15,26 @@ import ColorPicker, {
   Panel1,
   Preview,
 } from "reanimated-color-picker"
+import { useState } from "react"
 
 import type { GoalFrequency, GoalType } from "@/domain/entities/Goal"
 import { GOAL_FREQUENCIES, GOAL_TYPES } from "@/domain/entities/Goal"
 import type { HabitCreateData } from "@/domain/entities/Habit"
 import { HabitCreateSchema } from "@/domain/entities/Habit"
 import type { User } from "@/domain/entities/User"
-import { capitalize } from "@/presentation/presenters/utils/strings"
+import { useHabitsTracker } from "../../contexts/HabitsTracker"
 
 export interface HabitCreateFormProps {
   user: User
 }
 
 export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
-  // const {createHabit, habitPresenter} = useHabitCreate()
-
-  const onSubmit = async (data: HabitCreateData): Promise<void> => {
-    // await habitPresenter.createHabit(data)
-    console.log(data)
-  }
-
-  const frequenciesIcons: {
-    [key in GoalFrequency]: string
-  } = {
-    daily: "calendar",
-    weekly: "calendar-week",
-    monthly: "calendar-month",
-  }
-
-  const habitTypesTranslations: {
-    [key in GoalType]: { label: string; icon: string }
-  } = {
-    boolean: {
-      label: "Routine",
-      icon: "clock",
-    },
-    numeric: {
-      label: "Target",
-      icon: "target",
-    },
-  }
+  const { habitCreate, habitsTrackerPresenter } = useHabitsTracker()
 
   const {
     control,
     handleSubmit,
+    reset,
     formState: { errors },
   } = useForm<HabitCreateData>({
     mode: "onChange",
@@ -76,18 +53,57 @@ export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
     },
   })
 
+  const [isVisibleSnackbar, setIsVisibleSnackbar] = useState(false)
+
+  const onDismissSnackbar = (): void => {
+    setIsVisibleSnackbar(false)
+  }
+
+  const onSubmit = async (data: HabitCreateData): Promise<void> => {
+    await habitsTrackerPresenter.habitCreate(data)
+    setIsVisibleSnackbar(true)
+    reset()
+  }
+
+  const habitFrequenciesTranslations: {
+    [key in GoalFrequency]: { label: string; icon: string }
+  } = {
+    daily: {
+      label: "Daily",
+      icon: "calendar",
+    },
+    weekly: {
+      label: "Weekly",
+      icon: "calendar-week",
+    },
+    monthly: {
+      label: "Monthly",
+      icon: "calendar-month",
+    },
+  }
+
+  const habitTypesTranslations: {
+    [key in GoalType]: { label: string; icon: string }
+  } = {
+    boolean: {
+      label: "Routine",
+      icon: "clock",
+    },
+    numeric: {
+      label: "Target",
+      icon: "target",
+    },
+  }
+
   return (
     <SafeAreaView>
-      <Appbar.Header>
-        <Appbar.Content
-          title="New Habit"
-          style={{
-            alignItems: "center",
+      <ScrollView
+        contentContainerStyle={{
           justifyContent: "center",
+          alignItems: "center",
+          paddingHorizontal: 20,
         }}
-        />
-      </Appbar.Header>
-
+      >
         <Controller
           control={control}
           render={({ field: { onChange, onBlur, value } }) => {
@@ -98,11 +114,16 @@ export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
                   onBlur={onBlur}
                   onChangeText={onChange}
                   value={value}
-                style={[styles.input]}
+                  style={[
+                    styles.spacing,
+                    {
+                      width: "90%",
+                    },
+                  ]}
                   mode="outlined"
                 />
                 {errors.name != null ? (
-                <HelperText type="error" visible>
+                  <HelperText type="error" visible style={[{ paddingTop: 0 }]}>
                     {errors.name.type === "too_big"
                       ? "Name is too long"
                       : "Name is required"}
@@ -118,10 +139,58 @@ export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
           control={control}
           render={({ field: { onChange, value } }) => {
             return (
-            <ColorPicker
-              style={{ width: "70%" }}
+              <>
+                <Text style={[styles.spacing]}>Habit Frequency</Text>
+                <SegmentedButtons
+                  style={[{ width: "90%" }]}
+                  onValueChange={onChange}
                   value={value}
-              onChange={(value) => {
+                  buttons={GOAL_FREQUENCIES.map((frequency) => {
+                    return {
+                      label: habitFrequenciesTranslations[frequency].label,
+                      value: frequency,
+                      icon: habitFrequenciesTranslations[frequency].icon,
+                    }
+                  })}
+                />
+              </>
+            )
+          }}
+          name="goal.frequency"
+        />
+
+        <Controller
+          control={control}
+          render={({ field: { onChange, value } }) => {
+            return (
+              <>
+                <Text style={[styles.spacing]}>Habit Type</Text>
+                <SegmentedButtons
+                  style={[{ width: "90%" }]}
+                  onValueChange={onChange}
+                  value={value}
+                  buttons={GOAL_TYPES.map((type) => {
+                    return {
+                      label: habitTypesTranslations[type].label,
+                      value: type,
+                      icon: habitTypesTranslations[type].icon,
+                    }
+                  })}
+                />
+              </>
+            )
+          }}
+          name="goal.target.type"
+        />
+
+        <Controller
+          control={control}
+          render={({ field: { onChange, value } }) => {
+            return (
+              <ColorPicker
+                style={[styles.spacing, { width: "90%" }]}
+                value={value}
+                onComplete={(value) => {
                   onChange(value.hex)
                 }}
               >
@@ -143,7 +212,7 @@ export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
                 onBlur={onBlur}
                 onChangeText={onChange}
                 value={value}
-              style={[styles.input]}
+                style={[styles.spacing, { width: "90%" }]}
                 mode="outlined"
               />
             )
@@ -151,66 +220,30 @@ export const HabitCreateForm: React.FC<HabitCreateFormProps> = ({ user }) => {
           name="icon"
         />
 
-      <Controller
-        control={control}
-        render={({ field: { onChange, value } }) => {
-          return (
-            <>
-              <Text style={{ margin: 8 }}>Habit frequency</Text>
-              <SegmentedButtons
-                onValueChange={onChange}
-                value={value}
-                buttons={GOAL_FREQUENCIES.map((frequency) => {
-                  return {
-                    label: capitalize(frequency),
-                    value: frequency,
-                    icon: frequenciesIcons[frequency],
-                  }
-                })}
-              />
-            </>
-          )
-        }}
-        name="goal.frequency"
-      />
-
-      <Controller
-        control={control}
-        render={({ field: { onChange, value } }) => {
-          return (
-            <>
-              <Text style={{ margin: 8 }}>Habit type</Text>
-              <SegmentedButtons
-                onValueChange={onChange}
-                value={value}
-                buttons={GOAL_TYPES.map((type) => {
-                  return {
-                    label: habitTypesTranslations[type].label,
-                    value: type,
-                    icon: habitTypesTranslations[type].icon,
-                  }
-                })}
-              />
-            </>
-          )
-        }}
-        name="goal.target.type"
-      />
-
         <Button
           mode="contained"
           onPress={handleSubmit(onSubmit)}
-        // loading={createHabit.state === "loading"}
-        // disabled={createHabit.state === "loading"}
+          loading={habitCreate.state === "loading"}
+          disabled={habitCreate.state === "loading"}
+          style={[styles.spacing, { width: "90%" }]}
         >
-        Create your habit
+          Create your habit! 🚀
         </Button>
+      </ScrollView>
+
+      <Snackbar
+        visible={isVisibleSnackbar}
+        onDismiss={onDismissSnackbar}
+        duration={2_000}
+      >
+        ✅ Habit created successfully!
+      </Snackbar>
     </SafeAreaView>
   )
 }
 
-const styles = {
-  input: {
-    margin: 8,
+const styles = StyleSheet.create({
+  spacing: {
+    marginVertical: 16,
   },
-}
+})

presentation/react/components/HabitsHistory/HabitsHistory.tsx

@@ -1,7 +1,7 @@
+import { useRouter } from "expo-router"
+import { useMemo, useState } from "react"
 import { FlatList, View } from "react-native"
 import { Button, List, Text } from "react-native-paper"
-import { useMemo, useState } from "react"
-import { useRouter } from "expo-router"
 
 import type { GoalFrequency } from "@/domain/entities/Goal"
 import { GOAL_FREQUENCIES } from "@/domain/entities/Goal"