Create CoderStat.sh

CoderStat.sh

@@ -0,0 +1,166 @@
+#!bin/bash
+
+# A simple script to display Competitive Programming statistics of a user by using Web Scraping and JSON parsing tools.
+# Error-handling is performed for invalid profiles and user input.
+# Dependencies: cURL (web scraping), Python 3 (JSON parsing), bash (script execution), awk, sed & tr (text pattern-matching and editing)
+# Authors: Adikar Bharath NVS, Ayush Gupta, Prathmesh Dahikar, Sai Siddarth V
+# Last Updated: 13/11/2018
+
+#======================================================================================================================
+
+# Fetch the handle(s) from user input. 
+# If any of the handles is invalid, terminate the program. Else, call the functions defined below main().
+
+main() {
+
+	echo "Enter your Competitive Programming handle:" 
+	echo "The handle is assumed to be valid on either StopStalk or all: StopStalk, CodeForces, SPOJ, and CodeChef:"
+	read cphandle
+
+	echo -e "\nIf you have different handles for CodeForces, SPOJ and CodeChef, enter 1, followed by each handle. Else, hit Enter."
+	read different_handles
+
+	if (( different_handles == 1 ))
+	then
+		echo "Enter your CodeForces handle:"
+		read cphandle_cf
+		echo "Enter your SPOJ handle:"
+		read cphandle_spoj
+		echo "Enter your CodeChef handle:"
+		read cphandle_cc
+	else
+		cphandle_cf=$cphandle
+		cphandle_spoj=$cphandle
+		cphandle_cc=$cphandle
+	fi
+
+	if [ -z $cphandle ] || [ -z $cphandle_cf ] || [ -z $cphandle_spoj ] || [ -z $cphandle_cc ] 
+	then
+		echo "Enter a valid handle."
+		exit 0
+	else
+		echo -e "\nNow fetching user data:"
+		stopstalk
+		codeforces
+		spoj
+		codechef
+	fi
+}
+
+#======================================================================================================================
+
+# Fetch the StopStalk profile associated with the handle.
+# If the profile is invalid, then there will be no accuracies associated with it.
+
+stopstalk() {
+
+	stopstalk_url="https://www.stopstalk.com/user/profile/$cphandle"
+	curl -s $stopstalk_url | awk '/alt=/{getline; print}' | tr -d "[:blank:]" > accuracy.txt
+
+	if [ -s accuracy.txt ]
+	then
+		echo -e "\nSuccessful submission accuracies on different CP websites:\n"
+
+		echo "CodeChef submission accuracy:" `sed '1!d' accuracy.txt`
+		echo "CodeForces submission accuracy:" `sed '2!d' accuracy.txt`
+		echo "SPOJ submission accuracy:" `sed '3!d' accuracy.txt`
+		echo "HackerEarth submission accuracy:" `sed '4!d' accuracy.txt`
+		echo "HackerRank submission accuracy:" `sed '5!d' accuracy.txt`
+		echo "uVa submission accuracy:" `sed '6!d' accuracy.txt`
+		echo "Timus submission accuracy:" `sed '7!d' accuracy.txt`
+	else
+		echo -e "\nNo StopStalk profile associated with this handle."
+	fi
+}
+
+#======================================================================================================================
+
+# Fetch the CodeForces profile associated with the handle.
+# codeforces.com provides a public API for requesting data, which returns a JSON Object. 
+# To parse the JSON objects, a Python3 script is used. Error-handling is taken care by the script.
+
+codeforces() {
+
+	echo -e "\nCodeForces details:"
+
+	codeforces_user_url="http://codeforces.com/api/user.info?handles=$cphandle_cf"
+	codeforces_ac_url="http://codeforces.com/api/user.status?handle=$cphandle_cf"
+
+	curl -s $codeforces_ac_url > codeforces_ac.json
+	curl -s $codeforces_user_url > codeforces_user.json
+
+	python3 codeforces.py
+}
+
+#======================================================================================================================
+
+# Fetch the SPOJ profile associated with the handle.
+# If the profile is invalid, then there will be no World Rank associated with it.
+
+spoj() {
+
+	echo -e "\nSPOJ details:"
+
+	spoj_url="https://www.spoj.com/users/$cphandle_spoj/"
+	curl -s $spoj_url > spoj.html
+
+	world_rank=`awk '/World Rank/' spoj.html | tr -d "[:blank:]"`
+	problems_solved=`awk '/Problems solved/{getline; print}' spoj.html | tr -d "[:blank:]"`
+
+	if [ -z ${world_rank:40:-13} ]
+	then
+		echo "No SPOJ profile associated with this handle."
+	else
+		echo "World rank: ${world_rank:40:-13}"
+		echo "Problems solved: ${problems_solved:4:-5}"
+	fi
+}
+
+#======================================================================================================================
+
+# Fetch the CodeChef profile associated with the handle.
+# If the profile is invalid, then there will be no CodeChef Rating associated with it.
+
+codechef() {
+
+	echo -e "\nCodeChef details:"
+
+	codechef_url="https://www.codechef.com/users/$cphandle_cc"
+
+	curl -s $codechef_url > codechef.html
+
+	rating=`awk '/rating-number/' codechef.html | tr -d "[:blank:]"`
+	world_rank=`awk '/ratings\/all"><strong>/' codechef.html | tr -d "[:blank:]"`
+	country_rank=`awk '/ratings\/all\?filterBy=Country/' codechef.html | tr -d "[:blank:]"`
+	fully_solved=`awk '/Fully Solved/' codechef.html | tr -d "[:blank:]"`
+	partially_solved=`awk '/Partially Solved/' codechef.html | tr -d "[:blank:]"`
+
+	if [ -z ${rating:26:4} ]
+	then
+		echo "No CodeChef profile associated with this handle."
+	else
+		echo "Rating: ${rating:26:4}"
+		echo "World Rank = ${world_rank:30:-13}"
+		echo "Country Rank = ${country_rank:55:-22}"
+		echo "Problems fully solved: ${fully_solved:16:-6}"
+		echo "Problems partially solved: ${partially_solved:20:-6}"
+	fi
+}
+
+#======================================================================================================================
+
+# Call the main function after declaring all other functions.
+
+main
+
+#======================================================================================================================
+
+# Cleaning up of temporary resources used for the program.
+
+rm -f accuracy.txt
+rm -f codeforces_ac.json
+rm -f codeforces_user.json
+rm -f spoj.html
+rm -f codechef.html
+
+#======================================================================================================================