Remove sqlx mapper function; just map all fields manually

pkg/persistence/profile.go

@@ -7,7 +7,6 @@ import (
 	"path/filepath"
 
 	sql "github.com/jmoiron/sqlx"
-	"github.com/jmoiron/sqlx/reflectx"
 	_ "github.com/mattn/go-sqlite3"
 
 	"gitlab.com/offline-twitter/twitter_offline_engine/pkg/scraper"
@@ -58,8 +57,6 @@ func NewProfile(target_dir string) (Profile, error) {
 	fmt.Printf("Creating............. %s\n", sqlite_file)
 	db := sql.MustOpen("sqlite3", sqlite_file+"?_foreign_keys=on")
 	db.MustExec(sql_init)
-	InitializeDatabaseVersion(db)
-	db.Mapper = reflectx.NewMapperFunc("db", ToSnakeCase)
 
 	// Create `profile_images`
 	fmt.Printf("Creating............. %s/\n", profile_images_dir)
@@ -119,7 +116,6 @@ func LoadProfile(profile_dir string) (Profile, error) {
 	}
 
 	db := sql.MustOpen("sqlite3", fmt.Sprintf("%s?_foreign_keys=on&_journal_mode=WAL", sqlite_file))
-	db.Mapper = reflectx.NewMapperFunc("db", ToSnakeCase)
 
 	ret := Profile{
 		ProfileDir: profile_dir,

pkg/persistence/profile_test.go

@@ -103,12 +103,3 @@ func TestLoadProfile(t *testing.T) {
 
 	assert.Equal(t, profile_path, profile.ProfileDir)
 }
-
-// Test the ToSnakeCase implementation
-func TestSnakeCase(t *testing.T) {
-	assert := assert.New(t)
-
-	assert.Equal("tweet_id", persistence.ToSnakeCase("TweetID"))
-	assert.Equal("i_am_a_computer", persistence.ToSnakeCase("IAmAComputer"))
-	assert.Equal("choice1_votes", persistence.ToSnakeCase("Choice1_Votes"))
-}

pkg/persistence/utils.go

@@ -3,8 +3,6 @@ package persistence
 import (
 	"errors"
 	"os"
-	"regexp"
-	"strings"
 )
 
 var ErrNotInDatabase = errors.New("not in database")
@@ -20,10 +18,3 @@ func file_exists(path string) bool {
 		panic(err)
 	}
 }
-
-// https://stackoverflow.com/questions/56616196/how-to-convert-camel-case-string-to-snake-case#56616250
-func ToSnakeCase(str string) string {
-	snake := regexp.MustCompile("(.)_?([A-Z][a-z]+)").ReplaceAllString(str, "${1}_${2}")
-	snake = regexp.MustCompile("([a-z0-9])_?([A-Z])").ReplaceAllString(snake, "${1}_${2}")
-	return strings.ToLower(snake)
-}

pkg/scraper/space.go

@@ -12,18 +12,18 @@ type Space struct {
 	State                string    `db:"state"`
 	Title                string    `db:"title"`
 	CreatedAt            Timestamp `db:"created_at"`
-	StartedAt            Timestamp
+	StartedAt            Timestamp `db:"started_at"`
 	EndedAt              Timestamp `db:"ended_at"`
-	UpdatedAt            Timestamp
+	UpdatedAt            Timestamp `db:"updated_at"`
-	IsAvailableForReplay bool
+	IsAvailableForReplay bool      `db:"is_available_for_replay"`
-	ReplayWatchCount     int
+	ReplayWatchCount     int       `db:"replay_watch_count"`
-	LiveListenersCount   int
+	LiveListenersCount   int       `db:"live_listeners_count"`
 	ParticipantIds       []UserID
 
-	CreatedById UserID
+	CreatedById UserID `db:"created_by_id"`
 	TweetID     TweetID
 
-	IsDetailsFetched bool
+	IsDetailsFetched bool `db:"is_details_fetched"`
 }
 
 func (space Space) FormatDuration() string {