1/*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19#import <UIKit/UIKit.h>
20#import <GRPCClient/GRPCCall+Tests.h>
21#import <RouteGuide/RouteGuide.pbrpc.h>
22#import <RxLibrary/GRXWriter+Immediate.h>
23#import <RxLibrary/GRXWriter+Transformations.h>
24
25static NSString * const kHostAddress = @"localhost:50051";
26
27/** Category to override RTGPoint's description. */
28@interface RTGPoint (Description)
29- (NSString *)description;
30@end
31
32@implementation RTGPoint (Description)
33- (NSString *)description {
34  NSString *verticalDirection = self.latitude >= 0 ? @"N" : @"S";
35  NSString *horizontalDirection = self.longitude >= 0 ? @"E" : @"W";
36  return [NSString stringWithFormat:@"%.02f%@ %.02f%@",
37          abs(self.latitude) / 1E7f, verticalDirection,
38          abs(self.longitude) / 1E7f, horizontalDirection];
39}
40@end
41
42/** Category to give RTGRouteNote a convenience constructor. */
43@interface RTGRouteNote (Constructors)
44+ (instancetype)noteWithMessage:(NSString *)message
45                       latitude:(float)latitude
46                      longitude:(float)longitude;
47@end
48
49@implementation RTGRouteNote (Constructors)
50+ (instancetype)noteWithMessage:(NSString *)message
51                       latitude:(float)latitude
52                      longitude:(float)longitude {
53  RTGRouteNote *note = [self message];
54  note.message = message;
55  note.location.latitude = (int32_t) latitude * 1E7;
56  note.location.longitude = (int32_t) longitude * 1E7;
57  return note;
58}
59@end
60
61
62#pragma mark Demo: Get Feature
63
64/**
65 * Run the getFeature demo. Calls getFeature with a point known to have a feature and a point known
66 * not to have a feature.
67 */
68@interface GetFeatureViewController : UIViewController
69
70@property (weak, nonatomic) IBOutlet UILabel *outputLabel;
71
72@end
73
74@implementation GetFeatureViewController {
75  RTGRouteGuide *_service;
76}
77
78- (void)execRequest {
79  void (^handler)(RTGFeature *response, NSError *error) = ^(RTGFeature *response, NSError *error) {
80    // TODO(makdharma): Remove boilerplate by consolidating into one log function.
81    if (response.name.length) {
82      NSString *str =[NSString stringWithFormat:@"%@\nFound feature called %@ at %@.", self.outputLabel.text, response.location, response.name];
83      self.outputLabel.text = str;
84      NSLog(@"Found feature called %@ at %@.", response.name, response.location);
85    } else if (response) {
86      NSString *str =[NSString stringWithFormat:@"%@\nFound no features at %@",  self.outputLabel.text,response.location];
87      self.outputLabel.text = str;
88      NSLog(@"Found no features at %@", response.location);
89    } else {
90      NSString *str =[NSString stringWithFormat:@"%@\nRPC error: %@", self.outputLabel.text, error];
91      self.outputLabel.text = str;
92      NSLog(@"RPC error: %@", error);
93    }
94  };
95
96  RTGPoint *point = [RTGPoint message];
97  point.latitude = 409146138;
98  point.longitude = -746188906;
99
100  [_service getFeatureWithRequest:point handler:handler];
101  [_service getFeatureWithRequest:[RTGPoint message] handler:handler];
102}
103
104- (void)viewDidLoad {
105  [super viewDidLoad];
106
107  // This only needs to be done once per host, before creating service objects for that host.
108  [GRPCCall useInsecureConnectionsForHost:kHostAddress];
109
110  _service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];
111}
112
113- (void)viewDidAppear:(BOOL)animated {
114  self.outputLabel.text = @"RPC log:";
115  self.outputLabel.numberOfLines = 0;
116  self.outputLabel.font = [UIFont fontWithName:@"Helvetica Neue" size:8.0];
117  [self execRequest];
118}
119
120@end
121
122
123#pragma mark Demo: List Features
124
125/**
126 * Run the listFeatures demo. Calls listFeatures with a rectangle containing all of the features in
127 * the pre-generated database. Prints each response as it comes in.
128 */
129@interface ListFeaturesViewController : UIViewController
130
131@property (weak, nonatomic) IBOutlet UILabel *outputLabel;
132
133@end
134
135@implementation ListFeaturesViewController {
136  RTGRouteGuide *_service;
137}
138
139- (void)execRequest {
140  RTGRectangle *rectangle = [RTGRectangle message];
141  rectangle.lo.latitude = 405E6;
142  rectangle.lo.longitude = -750E6;
143  rectangle.hi.latitude = 410E6;
144  rectangle.hi.longitude = -745E6;
145
146  NSLog(@"Looking for features between %@ and %@", rectangle.lo, rectangle.hi);
147  [_service listFeaturesWithRequest:rectangle
148                      eventHandler:^(BOOL done, RTGFeature *response, NSError *error) {
149    if (response) {
150      NSString *str =[NSString stringWithFormat:@"%@\nFound feature at %@ called %@.", self.outputLabel.text, response.location, response.name];
151      self.outputLabel.text = str;
152      NSLog(@"Found feature at %@ called %@.", response.location, response.name);
153    } else if (error) {
154      NSString *str =[NSString stringWithFormat:@"%@\nRPC error: %@", self.outputLabel.text, error];
155      self.outputLabel.text = str;
156      NSLog(@"RPC error: %@", error);
157    }
158  }];
159}
160
161- (void)viewDidLoad {
162  [super viewDidLoad];
163
164  _service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];
165}
166
167- (void)viewDidAppear:(BOOL)animated {
168  self.outputLabel.text = @"RPC log:";
169  self.outputLabel.numberOfLines = 0;
170  self.outputLabel.font = [UIFont fontWithName:@"Helvetica Neue" size:8.0];
171  [self execRequest];
172}
173
174@end
175
176
177#pragma mark Demo: Record Route
178
179/**
180 * Run the recordRoute demo. Sends several randomly chosen points from the pre-generated feature
181 * database with a variable delay in between. Prints the statistics when they are sent from the
182 * server.
183 */
184@interface RecordRouteViewController : UIViewController
185
186@property (weak, nonatomic) IBOutlet UILabel *outputLabel;
187
188@end
189
190@implementation RecordRouteViewController {
191  RTGRouteGuide *_service;
192}
193
194- (void)execRequest {
195  NSString *dataBasePath = [NSBundle.mainBundle pathForResource:@"route_guide_db"
196                                                         ofType:@"json"];
197  NSData *dataBaseContent = [NSData dataWithContentsOfFile:dataBasePath];
198  NSArray *features = [NSJSONSerialization JSONObjectWithData:dataBaseContent options:0 error:NULL];
199
200  GRXWriter *locations = [[GRXWriter writerWithContainer:features] map:^id(id feature) {
201    RTGPoint *location = [RTGPoint message];
202    location.longitude = [((NSNumber *) feature[@"location"][@"longitude"]) intValue];
203    location.latitude = [((NSNumber *) feature[@"location"][@"latitude"]) intValue];
204    NSString *str =[NSString stringWithFormat:@"%@\nVisiting point %@", self.outputLabel.text, location];
205    self.outputLabel.text = str;
206    NSLog(@"Visiting point %@", location);
207    return location;
208  }];
209
210  [_service recordRouteWithRequestsWriter:locations
211                                 handler:^(RTGRouteSummary *response, NSError *error) {
212    if (response) {
213      NSString *str =[NSString stringWithFormat:
214                      @"%@\nFinished trip with %i points\nPassed %i features\n"
215                      "Travelled %i meters\nIt took %i seconds",
216                      self.outputLabel.text, response.pointCount, response.featureCount,
217                      response.distance, response.elapsedTime];
218      self.outputLabel.text = str;
219      NSLog(@"Finished trip with %i points", response.pointCount);
220      NSLog(@"Passed %i features", response.featureCount);
221      NSLog(@"Travelled %i meters", response.distance);
222      NSLog(@"It took %i seconds", response.elapsedTime);
223    } else {
224      NSString *str =[NSString stringWithFormat:@"%@\nRPC error: %@", self.outputLabel.text, error];
225      self.outputLabel.text = str;
226      NSLog(@"RPC error: %@", error);
227    }
228  }];
229}
230
231- (void)viewDidLoad {
232  [super viewDidLoad];
233
234  _service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];
235}
236
237- (void)viewDidAppear:(BOOL)animated {
238  self.outputLabel.text = @"RPC log:";
239  self.outputLabel.numberOfLines = 0;
240  self.outputLabel.font = [UIFont fontWithName:@"Helvetica Neue" size:8.0];
241  [self execRequest];
242}
243
244@end
245
246
247#pragma mark Demo: Route Chat
248
249/**
250 * Run the routeChat demo. Send some chat messages, and print any chat messages that are sent from
251 * the server.
252 */
253@interface RouteChatViewController : UIViewController
254
255@property (weak, nonatomic) IBOutlet UILabel *outputLabel;
256
257@end
258
259@implementation RouteChatViewController {
260  RTGRouteGuide *_service;
261}
262
263- (void)execRequest {
264  NSArray *notes = @[[RTGRouteNote noteWithMessage:@"First message" latitude:0 longitude:0],
265                     [RTGRouteNote noteWithMessage:@"Second message" latitude:0 longitude:1],
266                     [RTGRouteNote noteWithMessage:@"Third message" latitude:1 longitude:0],
267                     [RTGRouteNote noteWithMessage:@"Fourth message" latitude:0 longitude:0]];
268  GRXWriter *notesWriter = [[GRXWriter writerWithContainer:notes] map:^id(RTGRouteNote *note) {
269    NSLog(@"Sending message %@ at %@", note.message, note.location);
270    return note;
271  }];
272
273  [_service routeChatWithRequestsWriter:notesWriter
274                          eventHandler:^(BOOL done, RTGRouteNote *note, NSError *error) {
275    if (note) {
276      NSString *str =[NSString stringWithFormat:@"%@\nGot message %@ at %@",
277                      self.outputLabel.text, note.message, note.location];
278      self.outputLabel.text = str;
279      NSLog(@"Got message %@ at %@", note.message, note.location);
280    } else if (error) {
281      NSString *str =[NSString stringWithFormat:@"%@\nRPC error: %@", self.outputLabel.text, error];
282      self.outputLabel.text = str;
283      NSLog(@"RPC error: %@", error);
284    }
285    if (done) {
286      NSLog(@"Chat ended.");
287    }
288  }];
289}
290
291- (void)viewDidLoad {
292  [super viewDidLoad];
293
294  _service = [[RTGRouteGuide alloc] initWithHost:kHostAddress];
295}
296
297- (void)viewDidAppear:(BOOL)animated {
298  // TODO(makarandd): Set these properties through UI builder
299  self.outputLabel.text = @"RPC log:";
300  self.outputLabel.numberOfLines = 0;
301  self.outputLabel.font = [UIFont fontWithName:@"Helvetica Neue" size:8.0];
302  [self execRequest];
303}
304
305@end
306