datahipo.c

/*
 ============================================================================
 Name        : datahipo.c
 Author      :
 Version     :
 Copyright   : Your copyright notice
 Description :
 ============================================================================
 */

#include <stdio.h>
#include <stdlib.h>


typedef struct Patient
{

    //Increment things with a comma to delimit elements
    //Use a semicolon to do a new line.
    int id;
    char ptnInformation[30];
    //fname,lname,dob,notes;
    char crntPrescriptions[200];
    //medName,dosage,dateFilled;
    char medRecord[200];
    //type,desc,medName,dosage,dateIssued,Note;
    char vtlSigns[200];
    //height,weight,age,bmi,date;
    char smkStatus[1];
    //status(y/n);
    char mdcAllergy[200];
    //medName;

}Paitent;

//Please for the love of god if you know a better way to do this please do
Paitent readPatient(int id)
{

    FILE *infile;
    Paitent temp;
    int tempID;
    int paitentLocation;
    int loopcntr;

    //We open the file and check for errors
    infile = fopen("DataHipo.dat","r");
    if(infile == NULL)
    {
        fprintf(stderr, "\nDatabase Error");
        exit(1);
    }

    //We look for the location of the patient
    while(!eof(infile) || tempID == id )
    {
        fsetpos(infile,sizeof(Paitent)*loopcntr);
        fscanf(infile,"%d",tempID);
    }

    //If it exists we return it.
    if(tempID == id)
        fread(&temp,sizeof(struct Patient),1,infile);
    close(infile);
    return temp;
}

void writePatient(int id,struct Paitent johnSmith)
{

    FILE *outfile;
    Paitent temp;
    int tempID;
    int paitentLocation;
    int loopcntr;

    //We open the file and check for errors
    outfile = fopen("DataHipo.dat","wr");
    if(outfile == NULL)
    {
        fprintf(stderr, "\nDatabase Error");
        exit(1);
    }

    //We look for the location of the patient
    while(!eof(outfile) || tempID == id )
    {
        fsetpos(outfile,sizeof(Paitent)*loopcntr);
        fscanf(outfile,"%d",tempID);
    }

    //If it exists we write.
    if(tempID == id)
        fwrite(&johnSmith,sizeof(struct Patient),1,outfile);//I'm hoping this writes over the old patient.
    else
    {
        fseek(outfile,0,SEEK_END);
        fwrite(&johnSmith,sizeof(struct Patient),1,outfile);//If patient doesn't exist that means they are new and write eof.
    }
    close(outfile);
}

void epatientMenu(struct Patient johnSmith)
{
    char tmp[20];
    char output[120];
    char* fname = strtok(johnSmith->ptnInformation,",");
    char* lname = strtok(johnSmith->ptnInformation,",");
    char* dob = strtok(johnSmith->ptnInformation,",");
    printf("Data Hipo - Doctor Portal\n\nE-Prescription\n\n");
    printf("Patient First Name: %s",fname);
    printf("Patient Last Name: %s", lname);
    printf("Date of Birth (%d)\n",dob);

    printf("Drug:");
    scanf("%s",&output);
    printf("Dosage:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Strength:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Prescription Length:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Prescription Quantity:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Refils(Y/N):");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Directions:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Notes:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Pharmacy:");
    scanf("%s",&tmp);
    strcat(output,tmp);
    printf("Doctor Authorizing Prescription:");
    scanf("%s",&tmp);
    strcat(output,tmp);


    FILE *outfile = fopen("E-Prescription","w");
    if(outfile == NULL)
    {
        fprintf(stderr, "\nWrite to file Error");
        exit(1);
    }

    fprintf(outfile,"E-Prescription order for %s,%s\n%s",fname,lname,output);
    close(outfile);
}

void activeMedList(struct Patient johnSmith)
{
    char* fname = strtok(johnSmith->ptnInformation,",");
    char* lname = strtok(johnSmith->ptnInformation,",");
    char* dob = strtok(johnSmith->ptnInformation,",");
    char tmp[200];//We copy the string for integrity.
    char output[200];
    char name[15];
    strcpy(tmp,johnSmith->medRecord);

    char medRecord[200];
        //type,desc,medName,dosage,dateIssued,Note;
    char* tokenA = strtok(tmp,";");
    while(tokenA)
    {
        char* tokenB = strtok(tokenA,",");//Reads type onto token
        tokenB = strtok(NULL,","); //Reads desc onto token
        name = strtok(NULL,",");//Reads medName onto token
        tokenB = strtok(NULL,",");//Reads dosage onto token
        tokenB = strtok(NULL,",");//Reads dateIssued onto token
        tokenB = strtok(NULL,",");//Reads note onto token
        if(strcmp(tokenB,"Active") != 0)
            strcat(output,name + "\n");
    }
    printf("Data Hipo - Doctor/Nurse\n\nActive Medication List");
    printf("Patient First Name:%s\nPatient Last Name:%s\nPatient Date of Birth:%s\n",fname,lname,dob);
    printf("\nACTIVE MEDICATIONS\n-------------------\n%s",output);
    //function ends
}

void doctorMenu(int ptnID)
{
    int userIO = 0;
    int flag = 0;
   struct Patient patient = readPatient(ptnID);

    //Menu Options for the a user with doctor privileges.
    printf("Data Hipo - Patient Doctor Portal\n\n");
    printf("Menu: (1) Drug Interaction Checks  (2) Maintain Problem List    (3) E-Prescription\n");
    printf("      (4) Active Medication List   (5) Medication Allergy List  (6) Record Vital Signs\n");
    printf("      (7) Record Smoking Status    (8) Computerized Provider Order Entry (CPOE)\n");
    printf("      (9) Patient Information      (0) Exit\n");

    //A quick while loop to verify user input
    while(flag == 0)
    {
        printf("Enter an option from the menu above:");
        scanf("%1d",&userIO);//I limit the user to only entering 1 digit, I also store the input as an int to let me use it in a switch statement.
        if(userIO < 10 && userIO >= 0)//We want our input between 0-9
            flag = 1;
    }

    switch(userIO)//Because of simplicity of the cases I felt that a switch statement suited the task
    {
        //Every case just equals a function call to allow easy modularization with other menus
        case(1):
            //Drug Interaction Checks
            //I need to make
            break;
        case(2):
            //Maintain Problem List
            //I need to make
            break;
        case(3):
            epatientMenu(patient);
            break;
        case(4):
            //Active Medacation List
            //from paitent info print all meds that have active in there notes.
            //I need to make
            break;
        case(5):
            //Medication Allergy List
            break;
        case(6):
            //Record Vital Signs
            break;
        case(7):
            //Record Smoking Status
            break;
        case(8):
            //Computerized Provider Order Entry (CPOE)
            //I need to make
            break;
        case(9):
            //Patient Information
            break;
        case(0):
            printf("Exiting.....");
    }
}


int main(void) {


    //Variables needed for runtime
    char uname[8];
    char pword[8];
    int patientID;
    int flag = 0;
    Paitent johnSmith;


    printf("Welcome to Data Hipo - Electronic Medical Record Software (EMS)\n\n\n");
    do
    {
        printf("Please enter your login information.\nUsername:");
        scanf("%8s",uname);
        printf("Password:");
        scanf("%8s",pword);
        printf("Patient#");
        scanf("%5d",patientID);//This will be passed to menu function to load patient info.

        if (strcmp(uname, "admin") == 0)
        {
            if (strcmp(pword,"admin!") == 0)
            {

                // run admin menu function
                //please refer to the SDD for how the functions should operate and what the text should look like
                /*Create account
                 * Get Number of Accounts
                 * Delete Accounts                   * Write Logs
                 * View Logs
                 */
                flag = 1;
            }
        }
        else if (strcmp(uname,"doctor") == 0)
        {
            if(strcmp(pword, "doctor!") == 0)
            {

                doctorMenu(0);
                flag = 1;
            }
        }
        else if (strcmp(uname,"nurse") == 0)
        {
            if(strcmp(pword, "nurse!") == 0)
            {

                //run nurse function
                //please refer to the SDD for how the functions should operate and what the text should look like
                /*
                 * Active Mediation List
                 * Patient Information
                 * Record Vital Signs
                 * Record Smoking Status
                 */
                flag = 1;
            }
        }
        else if (strcmp(uname,"patient") == 0)
        {
            if(strcmp(pword, "patient!") == 0)
            {
                //run patient function
                //please refer to the SDD for how the functions should operate and what the text should look like
                /*
                 *Current Prescriptions
                 * Medical Records
                 * Appointments
                 */
                flag = 1;
            }
        }
        else
            printf("Invalid username or password.\n");

    }while(flag != 1);

    printf("Thank you for using Data Hipo\nHave a nice day!");
    return 0;

}