Merge pull request #14 from database-playground/pan93412/implement-statistics

feat: implement SubmissionStatistics

Author: pan93412

go.mod

@@ -15,6 +15,7 @@ require (
 	github.com/joho/godotenv v1.5.1
 	github.com/mattn/go-sqlite3 v1.14.28
 	github.com/redis/rueidis v1.0.64
+	github.com/samber/lo v1.51.0
 	github.com/stretchr/testify v1.11.1
 	github.com/testcontainers/testcontainers-go v0.38.0
 	github.com/urfave/cli/v3 v3.4.1

go.sum

@@ -221,6 +221,8 @@ github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0t
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/samber/lo v1.51.0 h1:kysRYLbHy/MB7kQZf5DSN50JHmMsNEdeY24VzJFu7wI=
+github.com/samber/lo v1.51.0/go.mod h1:4+MXEGsJzbKGaUEQFKBq2xtfuznW9oz/WrgyzMzRoM0=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
 github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
 github.com/shirou/gopsutil/v4 v4.25.8 h1:NnAsw9lN7587WHxjJA9ryDnqhJpFH6A+wagYWTOH970=

graph/ent.resolvers.go

@@ -79,6 +79,23 @@ extend type Question {
   solved: Boolean!
 }
 
+extend type User {
+  submissionStatistics: SubmissionStatistics!
+}
+
+type SubmissionStatistics {
+  totalQuestions: Int!
+  attemptedQuestions: Int!
+  solvedQuestions: Int!
+
+  solvedQuestionByDifficulty: [SolvedQuestionByDifficulty!]!
+}
+
+type SolvedQuestionByDifficulty {
+  difficulty: QuestionDifficulty!
+  solvedQuestions: Int!
+}
+
 type SQLExecutionResult {
   columns: [String!]!
   rows: [[String!]!]!