Add install suggestion service

package.json

@@ -65,6 +65,7 @@
     "eslint-config-prettier": "4.1.0",
     "focus-trap-react": "4.0.1",
     "lodash.get": "4.4.2",
+    "node-fetch": "^2.3.0",
     "prop-types": "15.7.2",
     "react-proptypes": "1.0.0",
     "react-redux": "5.1.1",

src/targets/services/installSuggestion.js

@@ -0,0 +1,43 @@
+import fetch from 'node-fetch'
+import CozyClient from 'cozy-client'
+
+global.fetch = fetch
+
+const schema = {
+  suggestion: {
+    doctype: 'io.cozy.suggestions'
+  },
+  konnectors: {
+    doctype: 'io.cozy.konnectors'
+  }
+}
+
+let suggestion = {}
+try {
+  suggestion = JSON.parse(process.env.COZY_COUCH_DOC)
+} catch (e) {
+  throw new Error(`Wrong formatted suggestion doc: ${e}`)
+}
+
+const client = new CozyClient({
+  uri: process.env.COZY_URL.trim(),
+  schema,
+  token: process.env.COZY_CREDENTIALS.trim()
+}).getStackClient()
+
+const handleError = (e, slug) => {
+  if (e.status === 409) return
+  throw new Error(`Error when installing ${slug}: ${e}`)
+}
+
+async function install(suggestion) {
+  if (suggestion.silenced) return // silenced, so not concerned
+  const slug = suggestion.slug
+  try {
+    await client.fetchJSON('POST', `/konnectors/${slug}`)
+  } catch (e) {
+    handleError(e, slug)
+  }
+}
+
+install(suggestion)

yarn.lock

@@ -7906,7 +7906,7 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
-node-fetch@^2.0.0:
+node-fetch@^2.0.0, node-fetch@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.3.0.tgz#1a1d940bbfb916a1d3e0219f037e89e71f8c5fa5"
   integrity sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA==