From 369c1225713b2cbc1e2397485ec55c01206b7437 Mon Sep 17 00:00:00 2001
From: vilaca <jvilaca@gmail.com>
Date: Sun, 7 Apr 2024 01:34:00 +0100
Subject: [PATCH] chart

---
 .github/workflows/fetch.yaml | 12 ++++++++
 scripts/diffs.sh             | 54 ++++++++++++++++++++++++++++++++++++
 scripts/utils/yesterday.sh   |  5 ++++
 3 files changed, 71 insertions(+)
 create mode 100755 scripts/diffs.sh
 create mode 100755 scripts/utils/yesterday.sh

diff --git a/.github/workflows/fetch.yaml b/.github/workflows/fetch.yaml
index 4de3e7b..bf1dd9d 100644
--- a/.github/workflows/fetch.yaml
+++ b/.github/workflows/fetch.yaml
@@ -32,6 +32,18 @@ jobs:
         sort -nr score-output > data/"$today"-score
         rm score-output
 
+    - name: Chart
+      env:
+        PAT: ${{ secrets.PAT }}
+      shell: bash
+      run: |
+        today=$(./scripts/utils/today.sh)
+        yesterday=$(./scripts/utils/yesterday.sh)
+        echo $today
+        echo $yesterday
+        ./scripts/diffs.sh $today $yesterday > README.md
+        rm today today-nr yesterday yesterday-nr
+
     - name: Extract branch name
       shell: bash
       run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
diff --git a/scripts/diffs.sh b/scripts/diffs.sh
new file mode 100755
index 0000000..a141e52
--- /dev/null
+++ b/scripts/diffs.sh
@@ -0,0 +1,54 @@
+cat data/$1-score | sort -rn | head -30 | cut -d' ' -f2 > today
+cat data/$2-score | sort -rn | head -30 | cut -d' ' -f2 > yesterday
+
+cat -n today > today-nr
+cat -n yesterday > yesterday-nr
+
+declare -A yesterday
+declare -A diffs
+declare -A stars
+
+# store yesterday position in memory
+while IFS="" read -r line || [ -n "$line" ]
+do
+	read -r position name <<< "$line"
+	yesterday["$name"]=$position
+done < "yesterday-nr"
+
+# read differences
+while IFS="" read -r line || [ -n "$line" ]
+do
+	read -r stars name <<< "$line"
+	diffs["$name"]=$stars
+done < "data/$1-score"
+
+# read totals
+while IFS="" read -r line || [ -n "$line" ]
+do
+	read -r total name <<< "$line"
+	stars["$name"]=$total
+done < "data/$1"
+
+echo "# Devops OSS Tools Top 30 Chart"
+echo "<sup>Compiled using https://github.com/vilaca/awesome-k8s-tools</sup>"
+
+printf '<div align="center">\n\n'
+
+echo "|<sub>Current</sub>|<sub>Previous</sub>|<sub>Repository</sub>|<sub>Stars</sub>|"
+echo "|:---:|:---:|:---|:---:|"
+#draw chart
+while IFS="" read -r line || [ -n "$line" ]
+do
+	read -r position name <<< "$line"
+	last=${yesterday["$name"]}
+	star=${diffs["$name"]}
+    total=${stars["$name"]}
+    desc="$(curl -s "https://api.github.com/repos/$name"  --header "Authorization: Bearer $PAT" | jq -r .description)"
+    
+    echo "|$position|${last:--}|[**$name**](https://github.com/$name)<br/>$desc|$total <sup>(+$star)</sup>|"
+done < "today-nr"
+
+printf '\n\n</div>\n\n'
+
+echo "<sub>This chart estimates the 30 most popular open-source DevOps tools by tallying the GitHub stars each repository received in the last seven days.</sub>"
+
diff --git a/scripts/utils/yesterday.sh b/scripts/utils/yesterday.sh
new file mode 100755
index 0000000..c926d71
--- /dev/null
+++ b/scripts/utils/yesterday.sh
@@ -0,0 +1,5 @@
+current_date=$(date +%s)
+yesterday=$((1 * 24 * 60 * 60))
+yesterday_ago=$((current_date - yesterday))
+yesterday_ago_date=$(date -d "@$yesterday_ago" +%d-%m-%Y)
+echo $yesterday_ago_date
\ No newline at end of file