Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
pub(crate) mod macros;
pub mod options;

use scraper::{Html, Selector};
use serde::Deserialize;

use crate::{
    interface::{AgeCategory, WorkType},
    utils::ToParseError,
    DlsiteClient, Result,
};

use self::options::ProductSearchOptions;

#[derive(Deserialize)]
struct SearchPageInfo {
    count: i32,
}

#[derive(Deserialize)]
struct SearchAjaxResult {
    search_result: String,
    page_info: SearchPageInfo,
}

#[derive(serde::Serialize, serde::Deserialize, Debug)]
pub struct SearchProductItem {
    pub id: String,
    pub title: String,
    pub creator: Option<String>,
    pub creator_omitted: Option<bool>,
    pub circle_name: String,
    pub circle_id: String,
    pub dl_count: Option<i32>,
    pub rate_count: Option<i32>,
    pub review_count: Option<i32>,
    pub price_original: i32,
    pub price_sale: Option<i32>,
    pub age_category: AgeCategory,
    pub work_type: crate::interface::WorkType,
    pub thumbnail_url: String,
    pub rating: Option<f32>, // pub image_url: Option<String>,
}

#[derive(Debug)]
pub struct SearchResult {
    pub products: Vec<SearchProductItem>,
    pub count: i32,
    pub query_path: String,
}
fn parse_count_str(str: &str) -> Result<i32> {
    str.replace(['(', ')', ','], "")
        .parse()
        .to_parse_error("Failed to parse string to count")
}

fn parse_num_str(str: &str) -> Result<i32> {
    str.replace(',', "")
        .parse()
        .to_parse_error("Failed to parse string to number")
}

impl DlsiteClient {
    /// Search products on DLsite.
    ///
    /// # Arguments
    /// * `options` - Struct of search options.
    ///
    /// # Example
    /// ```
    /// use dlsite::{DlsiteClient, product::Product, search::options::*};
    /// use tokio;
    /// #[tokio::main]
    /// async fn main() {
    ///     let client = DlsiteClient::default();
    ///     let product = client
    ///         .search_product(&ProductSearchOptions {
    ///             sex_category: Some(vec![SexCategory::Male]),
    ///             keyword: Some("ASMR".to_string()),
    ///             ..Default::default()
    ///         })
    ///         .await
    ///         .expect("Failed to search");
    ///     dbg!(&product);
    /// }
    /// ```
    pub async fn search_product(&self, options: &ProductSearchOptions) -> Result<SearchResult> {
        let query_path = options.to_path();
        let json = self.get(&query_path).await?;
        let json = serde_json::from_str::<SearchAjaxResult>(&json)?;
        let html = json.search_result;
        let count = json.page_info.count;

        let products = parse_search_html(&html)?;

        Ok(SearchResult {
            products,
            count,
            query_path,
        })
    }
}

pub(crate) fn parse_search_html(html: &str) -> Result<Vec<SearchProductItem>> {
    let html = Html::parse_fragment(html);
    let mut result: Vec<SearchProductItem> = vec![];

    for item_element in html.select(&Selector::parse("#search_result_img_box > li").unwrap()) {
        let product_id_e = item_element
            .select(&Selector::parse("div[data-product_id]").unwrap())
            .next()
            .to_parse_error("Failed to find data element")?
            .value();
        let maker_e = item_element
            .select(&Selector::parse(".maker_name a").unwrap())
            .next()
            .to_parse_error("Failed to find maker element")?;
        let author_e = item_element
            .select(&Selector::parse(".author").unwrap())
            .next();

        let price_e = item_element
            .select(&Selector::parse(".work_price .work_price_base").unwrap())
            .next()
            .to_parse_error("Failed to find price element")?;
        let original_price_e = item_element
            .select(&Selector::parse(".work_price_wrap .strike .work_price_base").unwrap())
            .next();
        let (sale_price_e, original_price_e) = if let Some(e) = original_price_e {
            (Some(price_e), e)
        } else {
            (None, price_e)
        };
        let id = product_id_e
            .attr("data-product_id")
            .to_parse_error("Failed to get product id")?
            .to_string();

        result.push(SearchProductItem {
            id: id.clone(),
            title: item_element
                .select(&Selector::parse(".work_name a[title]").unwrap())
                .next()
                .to_parse_error("Failed to get title")?
                .value()
                .attr("title")
                .unwrap()
                .to_string(),
            age_category: {
                if let Some(e) = item_element
                    .select(&Selector::parse(".work_genre span").unwrap())
                    .next()
                {
                    let title = e.value().attr("title");
                    if let Some(title) = title {
                        match title {
                            "全年齢" => AgeCategory::General,
                            "R-15" => AgeCategory::R15,
                            _ => {
                                return Err(crate::DlsiteError::ParseError(
                                    "Age category parse error: invalid title".to_string(),
                                ))
                            }
                        }
                    } else {
                        return Err(crate::DlsiteError::ParseError(
                            "Age category parse error".to_string(),
                        ));
                    }
                } else {
                    AgeCategory::Adult
                }
            },
            circle_name: maker_e.text().next().unwrap_or("").to_string(),
            circle_id: maker_e
                .value()
                .attr("href")
                .to_parse_error("Failed to get maker link")?
                .split('/')
                .last()
                .to_parse_error("Invalid url")?
                .split('.')
                .next()
                .to_parse_error("Failed to find maker id")?
                .to_string(),
            creator: {
                if let Some(creator_e) = author_e {
                    let name = creator_e
                        .select(&Selector::parse("a").unwrap())
                        .next()
                        .to_parse_error("Failed to find creator")?
                        .text()
                        .next()
                        .to_parse_error("Failed to find creator")?
                        .to_string();
                    Some(name)
                } else {
                    None
                }
            },
            creator_omitted: {
                if let Some(creator_e) = author_e {
                    let omitted = creator_e
                        .value()
                        .attr("class")
                        .to_parse_error("Failed to find creator")?
                        .split(" ")
                        .any(|x| x == "omit");
                    Some(omitted)
                } else {
                    None
                }
            },
            dl_count: {
                if let Some(e) = item_element
                    .select(&Selector::parse(".work_dl span[class*=\"dl_count\"]").unwrap())
                    .next()
                {
                    Some(
                        e.text()
                            .next()
                            .to_parse_error("Failed to get dl count")?
                            .replace(',', "")
                            .parse()
                            .to_parse_error("Invalid dl count")?,
                    )
                } else {
                    None
                }
            },
            rate_count: {
                if let Some(e) = item_element
                    .select(&Selector::parse(".work_dl span[class*=\"dl_count\"]").unwrap())
                    .next()
                {
                    Some(parse_count_str(
                        e.text().next().to_parse_error("Failed to get rate count")?,
                    )?)
                } else {
                    None
                }
            },
            review_count: {
                if let Some(e) = item_element
                    .select(&Selector::parse(".work_review div a").unwrap())
                    .next()
                {
                    Some(parse_count_str(
                        e.text()
                            .next()
                            .to_parse_error("Failed to get review count")?,
                    )?)
                } else {
                    None
                }
            },
            price_original: parse_num_str(
                original_price_e
                    .text()
                    .next()
                    .to_parse_error("Failed to find price")?,
            )?,
            price_sale: {
                match sale_price_e {
                    Some(e) => Some(parse_num_str(
                        e.text().next().to_parse_error("Failed to find price")?,
                    )?),
                    None => None,
                }
            },
            work_type: item_element
                .select(&Selector::parse(".work_category").unwrap())
                .next()
                .to_parse_error("Failed to find work category")?
                .value()
                .attr("class")
                .to_parse_error("Failed to find worktype")?
                .split(' ')
                .find_map(|c| {
                    if let Some(c) = c.strip_prefix("type_") {
                        if let Ok(wt) = c.parse::<WorkType>() {
                            if let WorkType::Unknown(_) = wt {
                                return None;
                            } else {
                                return Some(wt);
                            }
                        }
                    }
                    None
                })
                .unwrap_or(crate::interface::WorkType::Unknown("".to_string())),
            thumbnail_url: {
                let img_e = item_element
                    .select(&Selector::parse(".work_thumb_inner > img").unwrap())
                    .next()
                    .to_parse_error("Failed to find thumbnail")?;

                let src = img_e.value().attr("src");
                let data_src = img_e.value().attr("data-src");
                match (src, data_src) {
                    (Some(src), _) => format!("https:{}", src),
                    (_, Some(data_src)) => format!("https:{}", data_src),
                    (_, _) => {
                        return Err(crate::DlsiteError::ParseError(
                            "Failed to find thumbnail".to_string(),
                        ))
                    }
                }
            },
            rating: {
                if let Some(e) = item_element
                    .select(&Selector::parse(".work_rating .star_rating").unwrap())
                    .next()
                {
                    e.value()
                        .attr("class")
                        .expect("Failed to get rating")
                        .split(' ')
                        .find_map(|c| {
                            if let Some(c) = c.strip_prefix("star_") {
                                if let Ok(r) = c.parse::<f32>() {
                                    return Some(r / 10.0);
                                }
                            }
                            None
                        })
                } else {
                    None
                }
            }, // image_url: {
               //     if let Some(e) = item_element
               //         .select(&Selector::parse(".work_img_popover img").unwrap())
               //         .next()
               //     {
               //         Some(
               //             e.value()
               //                 .attr("src")
               //                 .to_parse_error("Failed to get image url")?
               //                 .to_string(),
               //         )
               //     } else {
               //         None
               //     }
               // },
        })
    }

    Ok(result)
}

#[cfg(test)]
mod tests {
    use crate::{search::options::*, DlsiteClient};

    #[tokio::test]
    async fn search_product_1() {
        let client = DlsiteClient::default();
        let res = client
            .search_product(&super::ProductSearchOptions {
                sex_category: Some(vec![SexCategory::Male]),
                keyword: Some("ユウカASMR".to_string()),
                ..Default::default()
            })
            .await
            .expect("Failed to search");

        assert!(res.products.len() >= 8);
        assert!(res.count >= 8);

        res.products
            .iter()
            .find(|r| r.id == "RJ403038")
            .expect("Expected to find RJ403038");

        res.products.iter().for_each(|r| {
            if r.id == "RJ403038" {
                assert_eq!(1320, r.price_original);
                assert!(r.dl_count.unwrap() > 62000);
                assert!(r.rate_count.is_some());
                assert!(r.review_count.is_some());
                assert!(r.rating.is_some());
                assert!(r.rating.is_some());
                assert_eq!("RG62982", r.circle_id);
                assert_eq!("Yostar", r.circle_name);
                assert_eq!(crate::interface::WorkType::SOU, r.work_type);
                assert_eq!("春花らん", r.creator.as_ref().unwrap());
                assert!(!r.creator_omitted.unwrap());
            }
        });
    }

    #[tokio::test]
    async fn search_product_2() {
        let client = DlsiteClient::default();
        let mut opts = super::ProductSearchOptions {
            sex_category: Some(vec![SexCategory::Male]),
            order: Some(Order::Trend),
            per_page: Some(50),
            ..Default::default()
        };

        let res = client
            .search_product(&opts)
            .await
            .expect("Failed to search page 1");
        res.products.iter().for_each(|i| {
            url::Url::parse(&i.thumbnail_url).expect("Failed to parse url");
            dbg!(&i);
        });
        assert_eq!(50, res.products.len());

        opts.page = Some(2);
        let res = client
            .search_product(&opts)
            .await
            .expect("Failed to search page 2");
        res.products.iter().for_each(|i| {
            url::Url::parse(&i.thumbnail_url).expect("Failed to parse url");
        });
        assert_eq!(50, res.products.len());
    }
}