Merge pull request 'Added AddFilePost function' (#6) from 2-AddFilePost into master

Reviewed-on: #6

BlogDB.c

@@ -4,10 +4,13 @@
 #include <stdlib.h>
 #include <stdbool.h>
 #include <malloc.h>
+#include <time.h>
+#include <assert.h>
 
 static MYSQL* conn2maria();
 static int AddPost(char title[], int authorId, char datePosted[], char post[], int tags[], size_t tagSize, MYSQL* con);
 static int EditPost(int postID, char title[], char post[], MYSQL* con);
+static int AddFilePost(int authorID, char filePath[], MYSQL* con);
 static int PullPostData(char* strings[6], int postID, MYSQL* con);
 static int AddTag(char tagTitle[], MYSQL* con);
 static int DeleteTag(int tagID, MYSQL* con);
@@ -175,6 +178,83 @@ int EditPost(int postID, char title[], char post[], MYSQL* con)
     return postID;
 }
 
+// Adds a post using file data
+int AddFilePost(int authorID, char filePath[], MYSQL* con)
+{
+
+    if (con == NULL) 
+    {
+        con = conn2maria();
+    }
+
+    // Author ID <= 0 should default to me.
+    if (authorID <= 0)
+    {
+        authorID = 1;
+    }
+
+
+    // Get current data in string date
+    time_t t = time(NULL);
+    struct tm *tm = localtime(&t);
+    char date[64];
+    assert(strftime(date, sizeof(date), "%F", tm));
+
+
+    // Define a file and buffer
+    FILE* FilePointer;
+    int BufferLength = 255;
+    char Buffer[BufferLength];
+    char StringEnd[] = "\0";
+
+    // Open file
+    FilePointer = fopen(filePath, "r");
+
+    // Get first line
+    fgets(Buffer, BufferLength, FilePointer);
+
+    // This is equivalent to Buffer = Buffer[3:-6]
+    // This is done to remove the <h3> tags
+    for (int i = 4; i < BufferLength; ++i) {
+                
+        if (Buffer[i + 5] == StringEnd[0]) {
+            Buffer[i - 4] = StringEnd[0];
+            break;
+        }
+
+        Buffer[i-4] = Buffer[i];
+    }
+
+    // Add a new post with correct title, author and date but with an empty post.
+    int postID = AddPost(Buffer, authorID, date, "", NULL, 0, con);
+
+    // Concat the rest of the file, line by line to the new post
+    while (fgets(Buffer, BufferLength, FilePointer)) 
+    {
+        // Build a query
+        char* query;
+        if(0 > asprintf(&query, 
+            "UPDATE blog_posts SET post = CONCAT(post, \"%s\n\") WHERE id=(%d)",
+            Buffer,
+            postID
+        )) exit(1);
+
+        // Query the server, if successful continue, else throw error
+        if (mysql_query(con, query)) 
+        {
+            fprintf(stderr, "%s\n", mysql_error(con));
+            mysql_close(con);
+            exit(1);
+        }
+
+        // Free the memory of the query string
+        free(query);
+    }
+
+    // return the postID of the new post.
+    return postID;
+}
+
 // Pulls a single post's data into the supplied array
 int PullPostData(char* strings[6], int postID, MYSQL* con)
 {
@@ -852,6 +932,7 @@ int main(int argc, char *argv[])
     //ChangeAuthor(62, 2, con);
     //TogglePost(81, con);
     //printf("%s\n", IsEnabled(81, con) ? "True" : "False");
+    //AddFilePost(1, "/home/adam/Documents/html/linuxenv.html", con);
 
     // =================================