Merge branch 'master' into tma884-moment-view-tags

11 files changed, 639 insertions, 71 deletions

diff --git a/src/assets/icons/tag-icon.png b/src/assets/icons/tag-icon.png
new file mode 100644
index 00000000..9111b036
--- /dev/null
+++ b/src/assets/icons/tag-icon.png
diff --git a/src/assets/images/Tagg-Triangle.png b/src/assets/images/Tagg-Triangle.png
new file mode 100644
index 00000000..dfe97282
--- /dev/null
+++ b/src/assets/images/Tagg-Triangle.png
diff --git a/src/assets/images/draggableX.png b/src/assets/images/draggableX.png
new file mode 100644
index 00000000..b99c5dfc
--- /dev/null
+++ b/src/assets/images/draggableX.png
diff --git a/src/assets/images/tagg-rectangle.png b/src/assets/images/tagg-rectangle.png
new file mode 100644
index 00000000..24bfd67e
--- /dev/null
+++ b/src/assets/images/tagg-rectangle.png
diff --git a/src/assets/images/tagg-tip.png b/src/assets/images/tagg-tip.png
new file mode 100644
index 00000000..eb3c5bad
--- /dev/null
+++ b/src/assets/images/tagg-tip.png
diff --git a/src/assets/images/tagg-x-button.png b/src/assets/images/tagg-x-button.png
new file mode 100644
index 00000000..5ce3846d
--- /dev/null
+++ b/src/assets/images/tagg-x-button.png
diff --git a/src/components/common/Draggable.tsx b/src/components/common/Draggable.tsx
new file mode 100644
index 00000000..edd29b78
--- /dev/null
+++ b/src/components/common/Draggable.tsx
@@ -0,0 +1,364 @@
+/**
+ *	* https://github.com/tongyy/react-native-draggable
+ *
+ */
+
+import React from 'react';
+import {
+  Animated,
+  Dimensions,
+  GestureResponderEvent,
+  Image,
+  PanResponder,
+  PanResponderGestureState,
+  StyleProp,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+  ViewStyle,
+} from 'react-native';
+
+function clamp(number: number, min: number, max: number) {
+  return Math.max(min, Math.min(number, max));
+}
+
+interface IProps {
+  /**** props that should probably be removed in favor of "children" */
+  renderText?: string;
+  isCircle?: boolean;
+  renderSize?: number;
+  imageSource?: number;
+  renderColor?: string;
+  /**** */
+  children?: React.ReactNode;
+  shouldReverse?: boolean;
+  disabled?: boolean;
+  debug?: boolean;
+  animatedViewProps?: object;
+  touchableOpacityProps?: object;
+  onDrag?: (
+    e: GestureResponderEvent,
+    gestureState: PanResponderGestureState,
+  ) => void;
+  onShortPressRelease?: (event: GestureResponderEvent) => void;
+  onDragRelease?: (
+    e: GestureResponderEvent,
+    gestureState: PanResponderGestureState,
+  ) => void;
+  onLongPress?: (event: GestureResponderEvent) => void;
+  onPressIn?: (event: GestureResponderEvent) => void;
+  onPressOut?: (event: GestureResponderEvent) => void;
+  onRelease?: (event: GestureResponderEvent, wasDragging: boolean) => void;
+  onReverse?: () => {x: number; y: number};
+  x?: number;
+  y?: number;
+  // z/elevation should be removed because it doesn't sync up visually and haptically
+  z?: number;
+  minX?: number;
+  minY?: number;
+  maxX?: number;
+  maxY?: number;
+  onDragStart?: () => void;
+}
+
+export default function Draggable(props: IProps) {
+  const {
+    renderText,
+    isCircle,
+    renderSize,
+    imageSource,
+    renderColor,
+    children,
+    shouldReverse,
+    disabled,
+    debug,
+    animatedViewProps,
+    touchableOpacityProps,
+    onDrag,
+    onShortPressRelease,
+    onDragRelease,
+    onLongPress,
+    onPressIn,
+    onPressOut,
+    onRelease,
+    x,
+    y,
+    z,
+    minX,
+    minY,
+    maxX,
+    maxY,
+    onDragStart,
+  } = props;
+
+  // The Animated object housing our xy value so that we can spring back
+  const pan = React.useRef(new Animated.ValueXY());
+  // Always set to xy value of pan, would like to remove
+  const offsetFromStart = React.useRef({x: 0, y: 0});
+  // Width/Height of Draggable (renderSize is arbitrary if children are passed in)
+  const childSize = React.useRef({x: renderSize, y: renderSize});
+  // Top/Left/Right/Bottom location on screen from start of most recent touch
+  const startBounds = React.useRef({top: 0, bottom: 0, left: 0, right: 0});
+  // Whether we're currently dragging or not
+  const isDragging = React.useRef(false);
+
+  // const [zIndex, setZIndex] = React.useState(z);
+  const zIndex = z;
+
+  const getBounds = React.useCallback(() => {
+    const left = x + offsetFromStart.current.x;
+    const top = y + offsetFromStart.current.y;
+    return {
+      left,
+      top,
+      right: left + childSize.current.x,
+      bottom: top + childSize.current.y,
+    };
+  }, [x, y]);
+
+  const shouldStartDrag = React.useCallback(
+    (gs) => {
+      return !disabled && (Math.abs(gs.dx) > 2 || Math.abs(gs.dy) > 2);
+    },
+    [disabled],
+  );
+
+  const reversePosition = React.useCallback(() => {
+    Animated.spring(pan.current, {
+      toValue: {x: 0, y: 0},
+      useNativeDriver: false,
+    }).start();
+  }, [pan]);
+
+  const onPanResponderRelease = React.useCallback(
+    (e: GestureResponderEvent, gestureState: PanResponderGestureState) => {
+      isDragging.current = false;
+      if (onDragRelease) {
+        onDragRelease(e, gestureState);
+        onRelease(e, true);
+      }
+      if (!shouldReverse) {
+        pan.current.flattenOffset();
+      } else {
+        reversePosition();
+      }
+    },
+    [onDragRelease, shouldReverse, onRelease, reversePosition],
+  );
+
+  const onPanResponderGrant = React.useCallback(
+    (_: GestureResponderEvent) => {
+      startBounds.current = getBounds();
+      isDragging.current = true;
+      if (!shouldReverse) {
+        pan.current.setOffset(offsetFromStart.current);
+        pan.current.setValue({x: 0, y: 0});
+      }
+      onDragStart();
+    },
+    [getBounds, shouldReverse],
+  );
+
+  const handleOnDrag = React.useCallback(
+    (e: GestureResponderEvent, gestureState: PanResponderGestureState) => {
+      const {dx, dy} = gestureState;
+      const {top, right, left, bottom} = startBounds.current;
+      const far = 999999999;
+      const changeX = clamp(
+        dx,
+        Number.isFinite(minX) ? minX - left : -far,
+        Number.isFinite(maxX) ? maxX - right : far,
+      );
+      const changeY = clamp(
+        dy,
+        Number.isFinite(minY) ? minY - top : -far,
+        Number.isFinite(maxY) ? maxY - bottom : far,
+      );
+      pan.current.setValue({x: changeX, y: changeY});
+      onDrag(e, gestureState);
+    },
+    [maxX, maxY, minX, minY, onDrag],
+  );
+
+  const panResponder = React.useMemo(() => {
+    return PanResponder.create({
+      onMoveShouldSetPanResponder: (_, gestureState) =>
+        shouldStartDrag(gestureState),
+      onMoveShouldSetPanResponderCapture: (_, gestureState) =>
+        shouldStartDrag(gestureState),
+      onPanResponderGrant,
+      // onPanResponderStart,
+      onPanResponderMove: Animated.event([], {
+        // Typed incorrectly https://reactnative.dev/docs/panresponder
+        listener: handleOnDrag,
+        useNativeDriver: false,
+      }),
+      // onPanResponderRelease: (_) => {
+      //   // console.log('end');
+      //   // setZIndex(1);
+      // },
+    });
+  }, [
+    handleOnDrag,
+    onPanResponderGrant,
+    onPanResponderRelease,
+    shouldStartDrag,
+  ]);
+
+  // TODO Figure out a way to destroy and remove offsetFromStart entirely
+  React.useEffect(() => {
+    const curPan = pan.current; // Using an instance to avoid losing the pointer before the cleanup
+    if (!shouldReverse) {
+      curPan.addListener((c) => (offsetFromStart.current = c));
+    }
+    return () => {
+      // Typed incorrectly
+      curPan.removeAllListeners();
+    };
+  }, [shouldReverse]);
+
+  const positionCss: StyleProp<ViewStyle> = React.useMemo(() => {
+    const Window = Dimensions.get('window');
+
+    return {
+      position: 'absolute',
+      top: 0,
+      left: 0,
+      width: Window.width,
+      height: Window.height,
+      elevation: zIndex,
+      zIndex: zIndex,
+    };
+  }, [zIndex]);
+
+  const dragItemCss = React.useMemo(() => {
+    const style: StyleProp<ViewStyle> = {
+      top: y,
+      left: x,
+      elevation: zIndex,
+      zIndex: zIndex,
+    };
+    if (renderColor) {
+      style.backgroundColor = renderColor;
+    }
+    if (isCircle) {
+      style.borderRadius = renderSize;
+    }
+
+    if (children) {
+      return {
+        ...style,
+        alignSelf: 'baseline',
+      };
+    }
+    return {
+      ...style,
+      justifyContent: 'center',
+      width: renderSize,
+      height: renderSize,
+    };
+  }, [children, isCircle, renderColor, renderSize, x, y, zIndex]);
+
+  const touchableContent = React.useMemo(() => {
+    if (children) {
+      return children;
+    } else if (imageSource) {
+      return (
+        <Image
+          style={{width: renderSize, height: renderSize}}
+          source={imageSource}
+        />
+      );
+    } else {
+      return <Text style={styles.text}>{renderText}</Text>;
+    }
+  }, [children, imageSource, renderSize, renderText]);
+
+  const handleOnLayout = React.useCallback((event) => {
+    const {height, width} = event.nativeEvent.layout;
+    childSize.current = {x: width, y: height};
+  }, []);
+
+  // const handlePressOut = React.useCallback(
+  //   (event: GestureResponderEvent) => {
+  //     onPressOut(event);
+  //     if (!isDragging.current) {
+  //       onRelease(event, false);
+  //     }
+  //   },
+  //   [onPressOut, onRelease],
+  // );
+
+  const getDebugView = React.useCallback(() => {
+    const {width, height} = Dimensions.get('window');
+    const far = 9999;
+    const constrained = minX || maxX || minY || maxY;
+    if (!constrained) {
+      return null;
+    } // could show other debug info here
+    const left = minX || -far;
+    const right = maxX ? width - maxX : -far;
+    const top = minY || -far;
+    const bottom = maxY ? height - maxY : -far;
+    return (
+      <View
+        pointerEvents="box-none"
+        style={{left, right, top, bottom, ...styles.debugView}}
+      />
+    );
+  }, [maxX, maxY, minX, minY]);
+
+  return (
+    <View pointerEvents="box-none" style={positionCss}>
+      {debug && getDebugView()}
+      <Animated.View
+        pointerEvents="box-none"
+        {...animatedViewProps}
+        {...panResponder.panHandlers}
+        style={pan.current.getLayout()}>
+        <TouchableOpacity
+          {...touchableOpacityProps}
+          onLayout={handleOnLayout}
+          style={dragItemCss}
+          disabled={true}
+          onPress={onShortPressRelease}
+          onLongPress={onLongPress}
+          onPressIn={onPressIn}
+          onPressOut={onPressOut}>
+          {touchableContent}
+        </TouchableOpacity>
+      </Animated.View>
+    </View>
+  );
+}
+
+/***** Default props and types */
+
+Draggable.defaultProps = {
+  renderText: '＋',
+  renderSize: 36,
+  shouldReverse: false,
+  disabled: false,
+  debug: false,
+  onDrag: () => {},
+  onShortPressRelease: () => {},
+  onDragRelease: () => {},
+  onLongPress: () => {},
+  onPressIn: () => {},
+  onPressOut: () => {},
+  onRelease: () => {},
+  x: 0,
+  y: 0,
+  z: 1,
+};
+
+const styles = StyleSheet.create({
+  text: {color: '#fff', textAlign: 'center'},
+  debugView: {
+    backgroundColor: '#ff000044',
+    position: 'absolute',
+    borderColor: '#fced0ecc',
+    borderWidth: 4,
+  },
+});
diff --git a/src/components/notifications/Notification.tsx b/src/components/notifications/Notification.tsx
index cb62047a..3f9cc56a 100644
--- a/src/components/notifications/Notification.tsx
+++ b/src/components/notifications/Notification.tsx
@@ -84,7 +84,8 @@ const Notification: React.FC<NotificationProps> = (props) => {
       let obj;
       if (
         notification_type === 'MOM_3+' ||
-        notification_type === 'MOM_FRIEND'
+        notification_type === 'MOM_FRIEND' ||
+        notification_type === 'MOM_TAG'
       ) {
         obj = notification_object as MomentType;
         url = obj.thumbnail_url;
@@ -185,6 +186,7 @@ const Notification: React.FC<NotificationProps> = (props) => {
         break;
       case 'MOM_3+':
       case 'MOM_FRIEND':
+      case 'MOM_TAG':
         const object = notification_object as MomentType;
         await fetchUserX(
           dispatch,
@@ -236,83 +238,88 @@ const Notification: React.FC<NotificationProps> = (props) => {
         style={styles.avatarContainer}>
         <Avatar style={styles.avatar} uri={avatar} />
       </TouchableWithoutFeedback>
-      {notification_type === 'SYSTEM_MSG' ? (
-        // Only verbage
+      {notification_type === 'SYSTEM_MSG' || notification_type === 'MOM_TAG' ? (
+        // Single-line body text with timestamp
         <View style={styles.contentContainer}>
           <View style={styles.textContainerStyles}>
-            <Text style={styles.actorName}>{verbage}</Text>
-            <Text style={styles.timeStampStyles}>
-              {getTimeInShorthand(timestamp)}
-            </Text>
-          </View>
-        </View>
-      ) : (
-        <>
-          {/* Text content: Actor name and verbage*/}
-          <View style={styles.contentContainer}>
-            <TouchableWithoutFeedback onPress={navigateToProfile}>
-              <Text style={styles.actorName}>{notification_title}</Text>
-            </TouchableWithoutFeedback>
-            <TouchableWithoutFeedback
-              style={styles.textContainerStyles}
-              onPress={onNotificationTap}>
-              <Text style={styles.verbageStyles}>
-                {verbage}
+            {notification_type === 'SYSTEM_MSG' ? (
+              <Text style={styles.actorName}>{verbage}</Text>
+            ) : (
+              <Text>
+                <Text style={styles.actorName}>{notification_title} </Text>
+                <Text style={styles.verbageStyles}>{verbage} </Text>
                 <Text style={styles.timeStampStyles}>
-                  {' '}
                   {getTimeInShorthand(timestamp)}
                 </Text>
               </Text>
-              {/* <Text style={styles.verbageStyles}>{verbage}</Text> */}
-            </TouchableWithoutFeedback>
-          </View>
-          {/* Friend request accept/decline button */}
-          {notification_type === 'FRD_REQ' && (
-            <View style={styles.buttonsContainer}>
-              <AcceptDeclineButtons
-                requester={{id, username, first_name, last_name}}
-                onAccept={handleAcceptRequest}
-                onReject={handleDeclineFriendRequest}
-              />
-            </View>
-          )}
-          {notification_type === 'FRD_ACPT' && (
-            <View style={styles.buttonsContainer}>
-              <MessageButton
-                userXId={id}
-                isBlocked={false}
-                friendship_status={'friends'}
-                externalStyles={{
-                  container: {
-                    width: normalize(63),
-                    height: normalize(21),
-                    marginTop: '7%',
-                  },
-                  buttonTitle: {
-                    fontSize: normalize(11),
-                    lineHeight: normalize(13.13),
-                    letterSpacing: normalize(0.5),
-                    fontWeight: '700',
-                    textAlign: 'center',
-                  },
-                }}
-                solid
-              />
-            </View>
-          )}
-          {/* Moment Image Preview */}
-          {(notification_type === 'CMT' ||
-            notification_type === 'MOM_3+' ||
-            notification_type === 'MOM_FRIEND') &&
-            notification_object && (
-              <TouchableWithoutFeedback
-                style={styles.moment}
-                onPress={onNotificationTap}>
-                <Image style={styles.imageFlex} source={{uri: momentURI}} />
-              </TouchableWithoutFeedback>
             )}
-        </>
+          </View>
+        </View>
+      ) : (
+        // Two-line title and body text with timestamp
+        <View style={styles.contentContainer}>
+          <TouchableWithoutFeedback onPress={navigateToProfile}>
+            <Text style={styles.actorName}>{notification_title}</Text>
+          </TouchableWithoutFeedback>
+          <TouchableWithoutFeedback
+            style={styles.textContainerStyles}
+            onPress={onNotificationTap}>
+            <Text>
+              <Text style={styles.verbageStyles}>{verbage} </Text>
+              <Text style={styles.timeStampStyles}>
+                {getTimeInShorthand(timestamp)}
+              </Text>
+            </Text>
+          </TouchableWithoutFeedback>
+        </View>
+      )}
+      {/* Friend request accept/decline button */}
+      {notification_type === 'FRD_REQ' && (
+        <View style={styles.buttonsContainer}>
+          <AcceptDeclineButtons
+            requester={{id, username, first_name, last_name}}
+            onAccept={handleAcceptRequest}
+            onReject={handleDeclineFriendRequest}
+          />
+        </View>
+      )}
+      {/* Message button when user accepts friend request */}
+      {notification_type === 'FRD_ACPT' && (
+        <View style={styles.buttonsContainer}>
+          <MessageButton
+            userXId={id}
+            isBlocked={false}
+            friendship_status={'friends'}
+            externalStyles={{
+              container: {
+                width: normalize(63),
+                height: normalize(21),
+                marginTop: '7%',
+              },
+              buttonTitle: {
+                fontSize: normalize(11),
+                lineHeight: normalize(13.13),
+                letterSpacing: normalize(0.5),
+                fontWeight: '700',
+                textAlign: 'center',
+              },
+            }}
+            solid
+          />
+        </View>
       )}
+      {/* Moment Image Preview */}
+      {(notification_type === 'CMT' ||
+        notification_type === 'MOM_3+' ||
+        notification_type === 'MOM_TAG' ||
+        notification_type === 'MOM_FRIEND') &&
+        notification_object && (
+          <TouchableWithoutFeedback
+            style={styles.moment}
+            onPress={onNotificationTap}>
+            <Image style={styles.imageFlex} source={{uri: momentURI}} />
+          </TouchableWithoutFeedback>
+        )}
     </View>
   );
 
diff --git a/src/components/taggs/TaggDraggable.tsx b/src/components/taggs/TaggDraggable.tsx
new file mode 100644
index 00000000..a6ffb1ef
--- /dev/null
+++ b/src/components/taggs/TaggDraggable.tsx
@@ -0,0 +1,129 @@
+import {useNavigation} from '@react-navigation/native';
+import React, {useEffect, useRef} from 'react';
+import {
+  Image,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  TouchableWithoutFeedback,
+  View,
+} from 'react-native';
+import {useDispatch, useSelector} from 'react-redux';
+import {RootState} from 'src/store/rootReducer';
+import Avatar from '../../components/common/Avatar';
+import {ProfilePreviewType, ScreenType, UserType} from '../../types';
+import {normalize} from '../../utils';
+import {navigateToProfile} from '../../utils/users';
+
+interface TaggDraggableProps {
+  taggedUser: ProfilePreviewType;
+  editingView: boolean;
+  deleteFromList: () => void;
+  setStart: Function;
+}
+
+const TaggDraggable: React.FC<TaggDraggableProps> = (
+  props: TaggDraggableProps,
+) => {
+  const navigation = useNavigation();
+  const dispatch = useDispatch();
+  const state = useSelector((rs: RootState) => rs);
+  const {taggedUser, editingView, deleteFromList, setStart} = props;
+  let uriX = require('../../assets/images/draggableX.png');
+  let uriTip = require('../../assets/images/Tagg-Triangle.png');
+
+  const draggableRef = useRef(null);
+
+  useEffect(() => {
+    draggableRef.current.measure((width: number, height: number) => {
+      setStart([width, height]);
+    });
+  }, []);
+
+  const user: UserType = {
+    userId: taggedUser.id,
+    username: taggedUser.username,
+  };
+
+  return (
+    <TouchableWithoutFeedback>
+      <View style={styles.container}>
+        <Image style={styles.imageTip} source={uriTip} />
+        <TouchableOpacity
+          onPressIn={() =>
+            navigateToProfile(
+              state,
+              dispatch,
+              navigation,
+              ScreenType.Profile,
+              user,
+            )
+          }
+          disabled={editingView}
+          style={styles.content}
+          ref={draggableRef}>
+          <Avatar style={styles.avatar} uri={taggedUser.thumbnail_url} />
+          <Text style={editingView ? styles.buttonTitle : styles.buttonTitleX}>
+            @{taggedUser.username}
+          </Text>
+          {editingView && (
+            <TouchableOpacity
+              disabled={false}
+              onPressIn={deleteFromList}
+              style={styles.imageX}>
+              <Image style={styles.imageX} source={uriX} />
+            </TouchableOpacity>
+          )}
+        </TouchableOpacity>
+      </View>
+    </TouchableWithoutFeedback>
+  );
+};
+
+const styles = StyleSheet.create({
+  imageTip: {
+    height: normalize(12),
+    aspectRatio: 12 / 8,
+  },
+  container: {
+    flexDirection: 'column',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  buttonTitle: {
+    color: 'white',
+    fontSize: normalize(11),
+    fontWeight: '700',
+    lineHeight: normalize(13.13),
+    letterSpacing: normalize(0.6),
+    paddingHorizontal: '1%',
+  },
+  buttonTitleX: {
+    color: 'white',
+    fontSize: normalize(11),
+    fontWeight: '700',
+    lineHeight: normalize(13.13),
+    letterSpacing: normalize(0.6),
+    paddingHorizontal: '1%',
+  },
+  avatar: {
+    height: normalize(20),
+    width: normalize(20),
+    borderRadius: normalize(20) / 2,
+  },
+  imageX: {
+    width: normalize(15),
+    height: normalize(15),
+  },
+  content: {
+    justifyContent: 'space-evenly',
+    alignItems: 'center',
+    flexDirection: 'row',
+    borderRadius: 20,
+    paddingVertical: normalize(5),
+    paddingHorizontal: normalize(8),
+    backgroundColor: 'rgba(0, 0, 0, 0.8)',
+  },
+});
+
+export default TaggDraggable;
diff --git a/src/screens/profile/CaptionScreen.tsx b/src/screens/profile/CaptionScreen.tsx
index a41abba6..8e972e07 100644
--- a/src/screens/profile/CaptionScreen.tsx
+++ b/src/screens/profile/CaptionScreen.tsx
@@ -1,6 +1,6 @@
 import {RouteProp} from '@react-navigation/native';
 import {StackNavigationProp} from '@react-navigation/stack';
-import React, {Fragment, useState} from 'react';
+import React, {Fragment, useEffect, useRef, useState} from 'react';
 import {
   Alert,
   Image,
@@ -16,7 +16,9 @@ import {Button} from 'react-native-elements';
 import {useDispatch, useSelector} from 'react-redux';
 import {SearchBackground} from '../../components';
 import {CaptionScreenHeader} from '../../components/';
+import Draggable from '../../components/common/Draggable';
 import TaggLoadingIndicator from '../../components/common/TaggLoadingIndicator';
+import TaggDraggable from '../../components/taggs/TaggDraggable';
 import {TAGG_LIGHT_BLUE_2} from '../../constants';
 import {ERROR_UPLOAD, SUCCESS_PIC_UPLOAD} from '../../constants/strings';
 import {MainStackParams} from '../../routes';
@@ -50,6 +52,39 @@ const CaptionScreen: React.FC<CaptionScreenProps> = ({route, navigation}) => {
   const dispatch = useDispatch();
   const [caption, setCaption] = useState('');
   const [loading, setLoading] = useState(false);
+  const imageRef = useRef(null);
+
+  // state variables used to position draggables
+  const [offset, setOffset] = useState([0, 0]);
+  const [curStart, setCurStart] = useState([0, 0]);
+  const [imageDimensions, setImageDimensions] = useState([0, 0]);
+
+  const [taggList, setTaggList] = useState([
+    {
+      first_name: 'Ivan',
+      id: 'cee45bf8-7f3d-43c8-99bb-ec04908efe58',
+      last_name: 'Chen',
+      thumbnail_url:
+        'https://tagg-dev.s3.us-east-2.amazonaws.com/thumbnails/smallProfilePicture/spp-cee45bf8-7f3d-43c8-99bb-ec04908efe58-thumbnail.jpg',
+      username: 'ivan.tagg',
+    },
+    {
+      first_name: 'Ankit',
+      id: '3bcf6947-bee6-46b0-ad02-6f4d25eaeac3',
+      last_name: 'Thanekar',
+      thumbnail_url:
+        'https://tagg-dev.s3.us-east-2.amazonaws.com/thumbnails/smallProfilePicture/spp-3bcf6947-bee6-46b0-ad02-6f4d25eaeac3-thumbnail.jpg',
+      username: 'ankit.thanekar',
+    },
+    {
+      first_name: 'Ankit',
+      id: '3bcf6947-bee6-46b0-ad02-6f4d25eaeac3',
+      last_name: 'Thanekar',
+      thumbnail_url:
+        'https://tagg-dev.s3.us-east-2.amazonaws.com/thumbnails/smallProfilePicture/spp-3bcf6947-bee6-46b0-ad02-6f4d25eaeac3-thumbnail.jpg',
+      username: 'ankit.thanekar',
+    },
+  ]);
 
   const navigateToProfile = () => {
     //Since the logged In User is navigating to own profile, useXId is not required
@@ -59,6 +94,16 @@ const CaptionScreen: React.FC<CaptionScreenProps> = ({route, navigation}) => {
     });
   };
 
+  /**
+   * need a handler to take care of creating a tagged user object, append that object to the taggList state variable.
+   */
+  useEffect(() => {
+    imageRef.current.measure((fx, fy, width, height, px, py) => {
+      setOffset([px, py]);
+      setImageDimensions([width, height]);
+    });
+  }, []);
+
   const handleShare = async () => {
     setLoading(true);
     if (!image.filename) {
@@ -105,7 +150,9 @@ const CaptionScreen: React.FC<CaptionScreenProps> = ({route, navigation}) => {
               />
             </View>
             <CaptionScreenHeader style={styles.header} {...{title: title}} />
+            {/* this is the image we want to center our tags' initial location within */}
             <Image
+              ref={imageRef}
               style={styles.image}
               source={{uri: image.path}}
               resizeMode={'cover'}
@@ -118,6 +165,25 @@ const CaptionScreen: React.FC<CaptionScreenProps> = ({route, navigation}) => {
               onChange={setCaption}
               partTypes={mentionPartTypes('blue')}
             />
+            {taggList.map((user) => (
+              <Draggable
+                x={imageDimensions[0] / 2 - curStart[0] / 2 + offset[0]}
+                y={offset[1] + imageDimensions[1] / 2 - curStart[1] / 2}
+                minX={offset[0]}
+                minY={offset[1]}
+                maxX={imageDimensions[0] + offset[0]}
+                maxY={imageDimensions[1] + offset[1]}
+                onDragStart={() => null}>
+                <TaggDraggable
+                  taggedUser={user}
+                  editingView={true}
+                  deleteFromList={() =>
+                    setTaggList(taggList.filter((u) => u.id !== user.id))
+                  }
+                  setStart={setCurStart}
+                />
+              </Draggable>
+            ))}
           </View>
         </KeyboardAvoidingView>
       </TouchableWithoutFeedback>
diff --git a/src/types/types.ts b/src/types/types.ts
index e9975529..e1935d26 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -240,6 +240,8 @@ export type TypeOfNotification =
   | 'MOM_FRIEND'
   // notification_object is undefined
   | 'INVT_ONBRD'
+  // notification_object is MomentType
+  | 'MOM_TAG'
   // notification_object is undefined
   | 'SYSTEM_MSG';