Traitement-signal-plantes/Db-Script/database.c
2023-06-01 17:22:38 +02:00

124 lines
2.7 KiB
C

#include "./database.h"
int openDb(sqlite3 *db)
{
int rc = sqlite3_open("robotgowest.db", &db);
if (rc != SQLITE_OK)
{
fprintf(stderr, "Cannot open database: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
return 1;
}
return 0;
}
int initializeTrailsAndCaptorMetadataTables()
{
sqlite3 *db;
char *err_msg = 0;
int rc;
if (!openDb(db))
{
char *sql = "DROP TABLE IF EXISTS Trials;"
"DROP TABLE IF EXISTS CaptorMetadata;"
"CREATE TABLE Trials(Id INTEGER PRIMARY KEY AUTOINCREMENT, Position TEXT, Start INT, Frequency NUMBER, Duration INT);"
"CREATE TABLE CaptorMetadata(Id INTEGER PRIMARY KEY AUTOINCREMENT, CaptorNumber INT, TrialId INT, FOREIGN KEY (TrialId) REFERENCES Trials(Id));";
rc = sqlite3_prepare_v2(db, sql, 0, 0, &err_msg);
if (rc != SQLITE_OK)
{
fprintf(stderr, "SQL error: %s\n", err_msg);
sqlite3_free(err_msg);
sqlite3_close(db);
return 1;
}
sqlite3_close(db);
return 0;
}
}
int createCaptorDataTable(int trialId, int captorNumber)
{
sqlite3 *db;
char *err_msg = 0;
int rc;
// Create Table Name
char tableName[8];
strcpy(tableName, "T");
strcat(tableName, convertIntegerToChar(trialId));
strcat(tableName, "C");
strcat(tableName, convertIntegerToChar(captorNumber));
strcat(tableName, "Data");
if (!openDb(db))
{
char sql[101] = "CREATE TABLE ";
strcat(sql, tableName);
strcat(sql, " (Id INTEGER PRIMARY KEY AUTOINCREMENT, Lux NUMBER, Mean NUMBER , Power NUMBER);");
rc = sqlite3_exec(db, sql, 0, 0, &err_msg);
if (rc != SQLITE_OK)
{
printf("Error code : %i", rc);
fprintf(stderr, "SQL error: %s\n", err_msg);
sqlite3_free(err_msg);
sqlite3_close(db);
return 1;
}
sqlite3_close(db);
return 0;
}
}
/**
* @brief convert an interger N into a char*
*
* @param N
* @return char*
*/
char *convertIntegerToChar(int N)
{
// Count digits in number N
int m = N;
int digit = 0;
while (m)
{
digit++;
m /= 10;
}
char *arr;
char arr1[digit];
arr = (char *)malloc(digit * sizeof(char));
int index = 0;
while (N)
{
arr1[++index] = N % 10 + '0';
N /= 10;
}
int i;
for (i = 0; i < index; i++)
{
arr[i] = arr1[index - i];
}
arr[i] = '\0';
return (char *)arr;
}
int main(void)
{
initializeTrailsAndCaptorMetadataTables();
// createCaptorDataTable(1, 1);
}