feat: working scraper

.eslintrc

@@ -35,6 +35,8 @@
           "index"
         ]
       }
-    ]
+    ],
+    "no-await-in-loop": 0,
+    "no-console": 0
   }
 }

.gitignore

@@ -9,3 +9,4 @@ coverage
 .nyc_output
 coverage.lcov
 /lib
+db.json

package.json

@@ -8,7 +8,8 @@
     "lint": "eslint \"*.{js,mjs}\" \"src/**/*.{js,mjs}\"",
     "precommit": "lint-staged",
     "version": "auto-changelog -p && auto-authors && git add CHANGELOG.md AUTHORS.md",
-    "start": "node ."
+    "start": "node .",
+    "dev": "nodemon --ignore db.json ."
   },
   "repository": {
     "type": "git",
@@ -36,8 +37,12 @@
     "commitLimit": false
   },
   "lint-staged": {
-    "*.{js,mjs}": ["eslint --fix"],
-    "*.{js,mjs,json,css}": ["prettier --write"]
+    "*.{js,mjs}": [
+      "eslint --fix"
+    ],
+    "*.{js,mjs,json,css}": [
+      "prettier --write"
+    ]
   },
   "prettier": {
     "printWidth": 100,
@@ -48,20 +53,24 @@
     "cjs": true
   },
   "dependencies": {
-    "esm": "^3.0.17"
+    "axios": "^0.18.0",
+    "esm": "^3.0.17",
+    "lodash": "^4.17.10",
+    "lowdb": "^1.0.0"
   },
   "devDependencies": {
     "auto-authors": "^0.1.1",
     "auto-changelog": "^1.7.0",
     "eslint": "^4.9.0",
+    "eslint-config-airbnb": "^16.1.0",
     "eslint-config-prettier": "^2.9.0",
-    "eslint-plugin-prettier": "^2.3.1",
     "eslint-plugin-import": "^2.7.0",
+    "eslint-plugin-jsx-a11y": "^6.0.2",
+    "eslint-plugin-prettier": "^2.3.1",
+    "eslint-plugin-react": "^7.1.0",
     "husky": "^0.14.3",
     "lint-staged": "^7.0.4",
-    "eslint-config-airbnb": "^16.1.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
-    "eslint-plugin-react": "^7.1.0",
+    "nodemon": "^1.18.4",
     "prettier": "^1.9.0"
   }
 }

src/index.mjs

@@ -1,3 +1,7 @@
-export default function() {
-  // es6 module code goes here
+import leafly from './leafly.mjs';
+
+async function scrape() {
+  await leafly();
 }
+
+scrape();

src/leafly.mjs

@@ -0,0 +1,74 @@
+import axios from 'axios';
+import get from 'lodash/get';
+import low from 'lowdb';
+import FileAsync from 'lowdb/adapters/FileAsync';
+
+const adapter = new FileAsync('db.json');
+
+const xhr = axios.create({
+  headers: {
+    Accept: 'application/json, text/plain, */*',
+    Referer: 'https://www.leafly.com/explore',
+  },
+});
+
+const getPage = async num => {
+  const url = `https://www.leafly.com/explore/page-${num}`;
+  const response = await xhr.get(url, {
+    responseType: 'json',
+  });
+
+  // transform strain data
+  const strains = response.data.Model.Strains.filter(strain => strain.Name != null).map(strain => ({
+    id: strain.Id,
+    name: strain.Name,
+    symbol: strain.Symbol,
+    category: get(strain, 'Category', 'unknown').toLowerCase(),
+    profile: get(strain, 'CannabinoidProfile', 'none').toLowerCase(),
+    rating: strain.Rating,
+    rating_count: strain.RatingCount,
+    effects: get(strain, 'Tags', []).map(tag => tag.DisplayLabel.toLowerCase()),
+    negative_effects: get(strain, 'NegativeEffects', []).map(tag => tag.DisplayLabel.toLowerCase()),
+    flavors: get(strain, 'Flavors', []).map(tag => tag.DisplayLabel.toLowerCase()),
+    uses: get(strain, 'Symptoms', []).map(tag => tag.DisplayLabel.toLowerCase()),
+    conditions: get(strain, 'Conditions', []).map(tag => tag.DisplayLabel.toLowerCase()),
+  }));
+
+  return {
+    strains,
+    page: response.data.Model.PagingContext,
+  };
+};
+
+export default async function scrapeLeafly(startFrom = 1, endAt = Infinity) {
+  let pageNum = startFrom;
+  let finished = false;
+  const db = await low(adapter);
+
+  await db.defaults({ strains: [] }).write();
+
+  while (!finished) {
+    console.log(`Fetching page ${pageNum}`);
+    const data = await getPage(pageNum);
+
+    data.strains.forEach(async strain => {
+      // check for value
+      const doc = db
+        .get('strains')
+        .filter({ id: strain.id })
+        .first()
+        .value();
+
+      if (!doc) {
+        console.log(`Adding ${strain.id}, ${strain.name}`);
+        await db
+          .get('strains')
+          .push(strain)
+          .write();
+      }
+    });
+
+    if (pageNum >= endAt || !data.strains.length || data.page.isLastPage) finished = true;
+    pageNum += 1;
+  }
+}