ZapierとJavaScriptでSlackボットを作成し、Redditのトレンドトピックを取得する方法

1js
2  // start -- get access token
3   const clientId = ‘ABCD’;
4   const clientSecret = ABCD’;
5
6   const dataSecrets = `${clientId}:${clientSecret}`;
7   const text = Buffer.from(dataSecrets).toString("base64");
8
9   var url = new URL('https://www.reddit.com/api/v1/access_token');
10   var params = {grant_type: 'refresh_token', refresh_token: ‘ABCD'};
11
12   url.search = new URLSearchParams(params).toString();
13
14    const settings = {
15        method: 'POST',
16        headers: {
17            'User-Agent': 'query-api 1.0',
18            'Accept': 'application/json',
19            'Authorization': `Basic ${text}`,
20        },
21        credentials: 'omit'
22    };
23
24    const res = await fetch(url.href, settings);
25    const body = await res.json();
26    const accessToken = body.access_token;
27
28    // -----------------------------------------------------
29    // make reddit api request
30    const params2 = {'limit': 3, 't': 'week'};
31    const url2 = new URL('https://oauth.reddit.com/r/node/top');
32    url2.search = new URLSearchParams(params2).toString();
33
34    const settings2 = {
35        method: 'GET',
36        headers: {
37            'User-Agent': 'query-api 1.0',
38            'Accept': 'application/json',
39            'Authorization': `Bearer ${accessToken}`,
40        },
41        credentials: 'omit'
42    };
43
44    const res2 = await fetch(url2.href, settings2);
45    const body2 = await res2.json();
46
47    let data = [];
48    let message = `Top Node.js posts this week:\n\n`;
49
50    const topPosts = body2.data.children;
51    topPosts.forEach((post) => {
52        data.push({
53          link: post.data.url,
54          redditLink: post.data.permalink,
55          text: post.data.title,
56          score: post.data.score,
57          replies: post.data.num_comments
58        });
59
60        const text = post.data.title;
61        const redditLink = post.data.permalink;
62
63        message = message + `<https://reddit.com${redditLink}|${text}> \n`;
64    });
65
66    return {id: 1, message: message};

1js
2    const url2 = new URL('https://oauth.reddit.com/r/node/top');
3    const res2 = await fetch(url2, settings2);

1sh
2https://www.reddit.com/r/node/top.json

1sh
2https://www.reddit.com/r/node/top.json?limit=1&t=month

1json
2{
3  "kind": "Listing",
4  "data": {
5    "after": "t3_vuyxes",
6    "dist": 1,
7    "modhash": "6v201d03619751a685b19dcf05febbf88ed6d115afa5d16b78",
8    "geo_filter": "",
9    "children": [
10      {
11        "kind": "t3",
12        "data": {
13          "approved_at_utc": null,
14          "subreddit": "node",
15          "selftext": "",
16          "author_fullname": "t2_7eb9a4k5",
17          "saved": false,
18          "mod_reason_title": null,
19          "gilded": 0,
20          "clicked": false,
21          "title": "Deno in 2022",
22          "link_flair_richtext": [],
23          "subreddit_name_prefixed": "r/node",
24          "hidden": false,
25          "pwls": 6,
26          "link_flair_css_class": null,
27          "downs": 0,
28          "top_awarded_type": null,
29          "hide_score": false,
30          "name": "t3_vuyxes",
31          "quarantine": false,
32          "link_flair_text_color": "dark",
33          "upvote_ratio": 0.92,
34          "author_flair_background_color": null,
35          "subreddit_type": "public",
36          "ups": 745,
37          "total_awards_received": 0,
38          "media_embed": {},
39          "author_flair_template_id": null,
40          "is_original_content": false,
41          "user_reports": [],
42          "secure_media": null,
43          "is_reddit_media_domain": true,
44          "is_meta": false,
45          "category": null,
46          "secure_media_embed": {},
47          "link_flair_text": null,
48          "can_mod_post": false,
49          "score": 745,
50          "approved_by": null,
51          "is_created_from_ads_ui": false,
52          "author_premium": false,
53          "thumbnail": "",
54          "edited": false,
55          "author_flair_css_class": null,
56          "author_flair_richtext": [],
57          "gildings": {},
58          "content_categories": null,
59          "is_self": false,
60          "mod_note": null,
61          "created": 1657363081,
62          "link_flair_type": "text",
63          "wls": 6,
64          "removed_by_category": null,
65          "banned_by": null,
66          "author_flair_type": "text",
67          "domain": "i.redd.it",
68          "allow_live_comments": true,
69          "selftext_html": null,
70          "likes": null,
71          "suggested_sort": null,
72          "banned_at_utc": null,
73          "url_overridden_by_dest": "https://i.redd.it/hjv8r84ttia91.jpg",
74          "view_count": null,
75          "archived": false,
76          "no_follow": false,
77          "is_crosspostable": true,
78          "pinned": false,
79          "over_18": false,
80          "all_awardings": [],
81          "awarders": [],
82          "media_only": false,
83          "can_gild": true,
84          "spoiler": false,
85          "locked": false,
86          "author_flair_text": null,
87          "treatment_tags": [],
88          "visited": false,
89          "removed_by": null,
90          "num_reports": null,
91          "distinguished": null,
92          "subreddit_id": "t5_2reca",
93          "author_is_blocked": false,
94          "mod_reason_by": null,
95          "removal_reason": null,
96          "link_flair_background_color": "",
97          "id": "vuyxes",
98          "is_robot_indexable": true,
99          "report_reasons": null,
100          "author": "m_ax__",
101          "discussion_type": null,
102          "num_comments": 184,
103          "send_replies": true,
104          "whitelist_status": "all_ads",
105          "contest_mode": false,
106          "mod_reports": [],
107          "author_patreon_flair": false,
108          "author_flair_text_color": null,
109          "permalink": "/r/node/comments/vuyxes/deno_in_2022/",
110          "parent_whitelist_status": "all_ads",
111          "stickied": false,
112          "url": "https://i.redd.it/hjv8r84ttia91.jpg",
113          "subreddit_subscribers": 215851,
114          "created_utc": 1657363081,
115          "num_crossposts": 0,
116          "media": null,
117          "is_video": false
118        }
119      }
120    ],
121    "before": null
122  }
123}

1js
2const slackMessage = inputData.message
3output = [{id: 123, message: slackMessage}];