From ea3f5ac7ee9ecf148186ae5e70dc7433a15cfc7e Mon Sep 17 00:00:00 2001
From: Rajarshee Chatterjee <rajarshee.adm@gmail.com>
Date: Sat, 3 Jul 2021 11:24:04 +0530
Subject: [PATCH] Add jump to chapter

---
 src/screens/Novel/Novel.js                    |  23 +++
 .../Novel/components/JumpToChapterModal.js    | 148 ++++++++++++++++++
 2 files changed, 171 insertions(+)
 create mode 100644 src/screens/Novel/components/JumpToChapterModal.js

diff --git a/src/screens/Novel/Novel.js b/src/screens/Novel/Novel.js
index bb5794db..7c9ea138 100644
--- a/src/screens/Novel/Novel.js
+++ b/src/screens/Novel/Novel.js
@@ -38,6 +38,7 @@ import ChaptersSettingsSheet from "./components/ChaptersSettingsSheet";
 import TrackSheet from "./components/Tracker/TrackSheet";
 import ChapterActionsSheet from "./components/ChapterActionsSheet";
 import { Row } from "../../components/Common";
+import JumpToChapterModal from "./components/JumpToChapterModal";
 
 const Novel = ({ route, navigation }) => {
     const item = route.params;
@@ -51,6 +52,7 @@ const Novel = ({ route, navigation }) => {
     const [selected, setSelected] = useState([]);
     const [downloadMenu, showDownloadMenu] = useState(false);
 
+    let flatlistRef = useRef(null);
     let chaptersSettingsSheetRef = useRef(null);
     let trackerSheetRef = useRef(null);
     let chapterActionsSheetRef = useRef(null);
@@ -86,6 +88,8 @@ const Novel = ({ route, navigation }) => {
         />
     );
 
+    const [jumpToChapterModal, showJumpToChapterModal] = useState(false);
+
     const renderItem = ({ item, index }) => (
         <ChapterItem
             theme={theme}
@@ -231,10 +235,21 @@ const Novel = ({ route, navigation }) => {
                                     })
                                 }
                             />
+                            <IconButton
+                                icon="text-box-search-outline"
+                                color="white"
+                                size={21}
+                                style={{
+                                    marginTop: StatusBar.currentHeight + 8,
+                                    marginRight: 16,
+                                }}
+                                onPress={() => showJumpToChapterModal(true)}
+                            />
                         </Row>
                     </View>
                 )}
                 <FlatList
+                    ref={(ref) => (flatlistRef.current = ref)}
                     data={!loading && chapters}
                     keyExtractor={(item) => item.chapterId.toString()}
                     removeClippedSubviews={true}
@@ -362,6 +377,14 @@ const Novel = ({ route, navigation }) => {
                 )}
                 {!loading && (
                     <Portal>
+                        <JumpToChapterModal
+                            modalVisible={jumpToChapterModal}
+                            hideModal={() => showJumpToChapterModal(false)}
+                            theme={theme}
+                            chapters={chapters}
+                            novel={novel}
+                            navigation={navigation}
+                        />
                         <ChaptersSettingsSheet
                             novelUrl={novelUrl}
                             bottomSheetRef={chaptersSettingsSheetRef}
diff --git a/src/screens/Novel/components/JumpToChapterModal.js b/src/screens/Novel/components/JumpToChapterModal.js
new file mode 100644
index 00000000..191f409b
--- /dev/null
+++ b/src/screens/Novel/components/JumpToChapterModal.js
@@ -0,0 +1,148 @@
+import React, { useState } from "react";
+import { StyleSheet, Text, View } from "react-native";
+
+import { Modal, Portal, Switch, TextInput } from "react-native-paper";
+
+const JumpToChapterModal = ({
+    theme,
+    hideModal,
+    modalVisible,
+    chapters,
+    navigation,
+    novel,
+}) => {
+    const [mode, setMode] = useState(0);
+
+    const [text, setText] = useState();
+    const [error, setError] = useState();
+
+    const onDismiss = () => {
+        hideModal();
+        setText();
+        setError();
+    };
+
+    const onSubmit = () => {
+        if (!mode) {
+            if (text <= chapters.length) {
+                navigation.navigate("Chapter", {
+                    sourceId: novel.sourceId,
+                    novelUrl: novel.novelUrl,
+                    novelId: novel.novelId,
+                    chapterId: chapters[text - 1].chapterId,
+                    chapterUrl: chapters[text - 1].chapterUrl,
+                    chapterName: chapters[text - 1].chapterName,
+                    novelName: novel.novelName,
+                    bookmark: chapters[text - 1].bookmark,
+                });
+                hideModal();
+            } else {
+                setError(
+                    `Enter a valid chapter number (<= ${chapters.length})`
+                );
+            }
+        } else {
+            const chapter = chapters.find((chap) =>
+                chap.chapterName.includes(text)
+            );
+
+            if (chapter) {
+                navigation.navigate("Chapter", {
+                    sourceId: novel.sourceId,
+                    novelUrl: novel.novelUrl,
+                    novelId: chapter.novelId,
+                    chapterId: chapter.chapterId,
+                    chapterUrl: chapter.chapterUrl,
+                    chapterName: chapter.chapterName,
+                    novelName: novel.novelName,
+                    bookmark: chapter.bookmark,
+                });
+                hideModal();
+            } else {
+                setError(`Enter a valid chapter name`);
+            }
+        }
+    };
+
+    const onChangeText = (text) => setText(text);
+
+    const textInputTheme = {
+        colors: {
+            primary: theme.colorAccent,
+            placeholder: theme.textColorHint,
+            text: theme.textColorPrimary,
+            background: theme.colorPrimary,
+        },
+    };
+
+    return (
+        <Portal>
+            <Modal
+                visible={modalVisible}
+                onDismiss={onDismiss}
+                contentContainerStyle={[
+                    styles.modalContainer,
+                    { backgroundColor: theme.colorPrimary },
+                ]}
+            >
+                <Text
+                    style={[
+                        styles.modalTitle,
+                        { color: theme.textColorPrimary },
+                    ]}
+                >
+                    Jump to Chapter
+                </Text>
+                <TextInput
+                    value={text}
+                    placeholder={
+                        mode
+                            ? "Chapter Name"
+                            : `Chapter Number (<= ${chapters.length})`
+                    }
+                    onChangeText={onChangeText}
+                    onSubmitEditing={onSubmit}
+                    mode="outlined"
+                    theme={textInputTheme}
+                    underlineColor={theme.textColorHint}
+                    dense
+                    error={error}
+                />
+                <Text style={styles.errorText}>{error}</Text>
+                <View
+                    style={{
+                        flexDirection: "row",
+                        justifyContent: "space-between",
+                    }}
+                >
+                    <Text style={{ color: theme.textColorPrimary }}>
+                        Chapter Name
+                    </Text>
+                    <Switch
+                        value={mode}
+                        onValueChange={() => setMode(!mode)}
+                        color={theme.colorAccent}
+                    />
+                </View>
+            </Modal>
+        </Portal>
+    );
+};
+
+export default JumpToChapterModal;
+
+const styles = StyleSheet.create({
+    modalContainer: {
+        margin: 30,
+        padding: 20,
+        borderRadius: 8,
+    },
+    modalTitle: {
+        fontSize: 18,
+        marginBottom: 16,
+    },
+    errorText: {
+        color: "#FF0033",
+        paddingTop: 8,
+    },
+});