Add Stargazers plugin (#37)

2021-01-05 12:39:04 +01:00
parent 97c28b88fc
commit b06d9ff898
15 changed files with 295 additions and 12 deletions
--- a/source/plugins/stargazers/index.mjs
+++ b/source/plugins/stargazers/index.mjs
@@ -0,0 +1,65 @@
+//Setup
+  export default async function ({login, graphql, data, q, queries, imports}, {enabled = false} = {}) {
+    //Plugin execution
+      try {
+        //Check if plugin is enabled and requirements are met
+          if ((!enabled)||(!q.stargazers))
+            return null
+        //Retrieve stargazers from graphql api
+          console.debug(`metrics/compute/${login}/plugins > stargazers > querying api`)
+          const repositories = data.user.repositories.nodes.map(({name}) => name).slice(0, 2)
+          const dates = []
+          for (const repository of repositories) {
+            //Iterate through stargazers
+              console.debug(`metrics/compute/${login}/plugins > stargazers > retrieving stargazers of ${repository}`)
+              let cursor = null
+              let pushed = 0
+              do {
+                console.debug(`metrics/compute/${login}/plugins > stargazers > retrieving stargazers of ${repository} after ${cursor}`)
+                const {repository:{stargazers:{edges}}} = await graphql(queries.stargazers({login, repository, after:cursor ? `after: "${cursor}"` : ""}))
+                cursor = edges?.[edges?.length-1]?.cursor
+                console.log(edges)
+                dates.push(...edges.map(({starredAt}) => new Date(starredAt)))
+                pushed = edges.length
+              } while ((pushed)&&(cursor))
+            //Limit repositories
+              console.debug(`metrics/compute/${login}/plugins > stargazers > loaded ${dates.length} stargazers for ${repository}`)
+          }
+          console.debug(`metrics/compute/${login}/plugins > stargazers > loaded ${dates.length} stargazers in total`)
+        //Compute stargazers increments
+          const days = 14
+          const increments = {dates:Object.fromEntries([...new Array(days).fill(null).map((_, i) => [new Date(Date.now()-i*24*60*60*1000).toISOString().slice(0, 10), 0]).reverse()]), max:NaN, min:NaN}
+          dates
+            .map(date => date.toISOString().slice(0, 10))
+            .filter(date => date in increments.dates)
+            .map(date => increments.dates[date]++)
+          increments.min = Math.min(...Object.values(increments.dates))
+          increments.max = Math.max(...Object.values(increments.dates))
+        //Compute total stargazers
+          let stargazers = data.computed.repositories.stargazers
+          const total = {dates:{...increments.dates}, max:NaN, min:NaN}
+          {
+            const dates = Object.keys(total.dates)
+            for (let i = dates.length-1; i >= 0; i--) {
+              const date = dates[i], tomorrow = dates[i+1]
+              stargazers -= (increments.dates[tomorrow] ?? 0)
+              total.dates[date] = stargazers
+            }
+          }
+          total.min = Math.min(...Object.values(total.dates))
+          total.max = Math.max(...Object.values(total.dates))
+        //Format values
+          for (const date in increments.dates)
+            increments.dates[date] = `${increments.dates[date] > 0 ? "+" : ""}${imports.format(increments.dates[date])}`
+          for (const date in total.dates)
+            total.dates[date] = imports.format(total.dates[date])
+        //Months name
+          const months = ["", "Jan.", "Feb.", "Mar.", "Apr.", "May", "June", "July", "Aug.", "Sep.", "Oct.", "Nov.", "Dec."]
+        //Results
+          return {total, increments, months}
+      }
+    //Handle errors
+      catch (error) {
+        throw {error:{message:"An error occured", instance:error}}
+      }
+  }