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MQL Library (622792 line breaks)
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ETL from LOCAL/SOAP to FTP/TXT.mql
ETL script with application 'supervision' compatibility
if (not (group exist "0001_folder1_folder2_folder3")) {
	group add "0001_folder1_folder2_folder3";
};

script merge "folder1.folder2.folder3.step_1_source_connect.exe" true 5
  (param
  )
  "Connect to the source"
{

	# CONFIGURATION ;
	-> "[CONF_NAME_OF_THE_FLOW]" "name_of_the_flow";

	# INITIALIZATION ;
	-> "[FLOW_PID]" [PID];
	
	# HANDLE ;
	try {
	
		# Flow initialization;
		stack flow_init [FLOW_PID] [CONF_NAME_OF_THE_FLOW] "{}";
		stack flow_step [FLOW_PID] 1 "source_connect...";

		# Local connection: don't use step 1;
		log write "Source: Local connection" OK null null;
		
		#Step 1 is valid;
		stack flow_step [FLOW_PID] 1 "source_connect_ok";
		
		include "folder1.folder2.folder3.step_2_extract.exe";
	
	} {

		#Step 1 is not valid;
		stack flow_step [FLOW_PID] 1 "source_connect_KO";
		
		# Give the error to the stack and stop the process;
		exception (1) ([global_err]);
	
	} "[global_err]";
	
} "Return nothing";
if (not (group is granted script "folder1.folder2.folder3.step_1_source_connect.exe" "0001_folder1_folder2_folder3")) {
	group grant script "folder1.folder2.folder3.step_1_source_connect.exe" "0001_folder1_folder2_folder3";
};

script merge "folder1.folder2.folder3.step_2_extract.exe" true 1
  (param
  )
  "Extract files from the source"
{
	
	# HANDLE ;
	try {

		# Mark the flow as step 2;
		stack flow_step [FLOW_PID] 2 "extract...";

		# Create the local directory PID;
		file mkdir (concat "home/" [FLOW_PID]);
		
		#Step 2 is valid;
		stack flow_step [FLOW_PID] 2 "extract_ok";

		stack (date now) "folder1.folder2.folder3.step_3_transform.exe" "[FLOW_PID]" [FLOW_PID] "[filename]" "";
	
	} {

		#Step 2 is not valid;
		stack flow_step [FLOW_PID] 2 "extract_KO";
		
		# Give the error to the stack and stop the process;
		exception (1) ([global_err]);
	
	} "[global_err]";

} "Return nothing";
if (not (group is granted script "folder1.folder2.folder3.step_2_extract.exe" "0001_folder1_folder2_folder3")) {
	group grant script "folder1.folder2.folder3.step_2_extract.exe" "0001_folder1_folder2_folder3";
};

script merge "folder1.folder2.folder3.step_3_transform.exe" true 1
  (param
  	(var "[FLOW_PID]" {true} "The flow PID" is_null:true is_empty:true "1")
  	(var "[filename]" {true} "The filename" is_null:true is_empty:true "file.xxx")
  )
  "Transform the file"
{

	# CONFIGURATION ;
	-> "[CONF_DESTINATION_NEW_FILENAME]" (concat "new_filename_" (date systimestamp_min) ".txt");
	-> "[CONF_DESTINATION_TXT_SEPARATOR]" "|";
	
	# HANDLE ;
	try {

		# Mark the flow as step 3;
		stack flow_step [FLOW_PID] 3 "transform...";

		file writer_open "w1" (concat "home/" [FLOW_PID] "/" [CONF_DESTINATION_NEW_FILENAME]) true TEXT "utf-8";
		file writer_add_line "w1" (concat "HEADER");
		file writer_flush "w1";

		log write (concat "Build the file 'home/" [FLOW_PID] "/" [CONF_DESTINATION_NEW_FILENAME] "' from SOAP API...") OK null null;
		
		xml load "flow_source" (soap https "https://www.dneonline.com/calculator.asmx" "{}" "" "text/xml; charset=utf-8" (concat "<soap:Envelope xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\" xmlns:tem=\"http://tempuri.org/\">
		   <soap:Header/>
		   <soap:Body>
		      <tem:Add>
		         <tem:intA>3</tem:intA>
		         <tem:intB>4</tem:intB>
		      </tem:Add>
		   </soap:Body>
		</soap:Envelope>"));
		
		# BEGIN METHOD 1;
		-> "[T_A]" (xml select text "flow_source" "/data/A");
		-> "[T_B]" (xml select text "flow_source" "/data/B");
		-> "[T_C]" (xml select text "flow_source" "/data/C");

		-> "[line]" "";
		concat_var "[line]" [_n_];
		concat_var "[line]" (string lpad [T_A] "0" 10) [CONF_DESTINATION_TXT_SEPARATOR];
		concat_var "[line]" (string lpad [T_B] "0" 10) [CONF_DESTINATION_TXT_SEPARATOR];
		concat_var "[line]" (string lpad [T_C] "0" 10);
		file writer_add_line "w1" [line];
		file writer_flush "w1";
		# END METHOD 1;
		
		# BEGIN METHOD 2;
		-> "[nb_rows]" (xml count "flow_source" "/data/rows/item");
		for (-> "[i_xml]" 1) (<= [i_xml] [nb_rows]) (++ "[i_xml]") {
		
			-> "[T_A]" (xml select text "flow_source" (concat "/data/rows/item[" [i_xml] "]/A"));
			-> "[T_B]" (xml select text "flow_source" (concat "/data/rows/item[" [i_xml] "]/B"));
			-> "[T_C]" (xml select text "flow_source" (concat "/data/rows/item[" [i_xml] "]/C"));

			-> "[line]" "";
			concat_var "[line]" [_n_];
			concat_var "[line]" (string lpad [T_A] "0" 10) [CONF_DESTINATION_TXT_SEPARATOR];
			concat_var "[line]" (string lpad [T_B] "0" 10) [CONF_DESTINATION_TXT_SEPARATOR];
			concat_var "[line]" (string lpad [T_C] "0" 10);
			file writer_add_line "w1" [line];
			file writer_flush "w1";
		
		};
		# END METHOD 2;

		file writer_close "w1";

		log write (concat "Builded.") OK null null;

		#Step 3 is valid;
		stack flow_step [FLOW_PID] 3 "transform_ok";
		
		stack (date now) "folder1.folder2.folder3.step_4_destination_connect.exe" "[FLOW_PID]" [FLOW_PID] "[filename]" [CONF_DESTINATION_NEW_FILENAME];
	
	} {

		try {file writer_close "w1";} {} "[err]";

		#Step 3 is not valid;
		stack flow_step [FLOW_PID] 3 "transform_KO";
		
		# Give the error to the stack and stop the process;
		exception (1) ([global_err]);
	
	} "[global_err]";

} "Return nothing";
if (not (group is granted script "folder1.folder2.folder3.step_3_transform.exe" "0001_folder1_folder2_folder3")) {
	group grant script "folder1.folder2.folder3.step_3_transform.exe" "0001_folder1_folder2_folder3";
};

script merge "folder1.folder2.folder3.step_4_destination_connect.exe" true 5
  (param
  	(var "[FLOW_PID]" {true} "The flow PID" is_null:true is_empty:true "1")
  	(var "[filename]" {true} "The filename" is_null:true is_empty:true "file.xxx")
  )
  "Connect to the destination"
{

	# CONFIGURATION ;
	-> "[CONF_DESTINATION_CM]" "demo_cm";
	
	# HANDLE ;
	try {
	
		# Flow initialization;
		stack flow_step [FLOW_PID] 4 "destination_connect...";

		ftp connect "destination_sess" {cm get [CONF_DESTINATION_CM];};
		ftp active "destination_sess";
		ftp passive "destination_sess";
		ftp active compression "destination_sess" true;
		ftp set type "destination_sess" "BINARY";
		
		#Step 4 is valid;
		stack flow_step [FLOW_PID] 4 "destination_connect_ok";
		
		include "folder1.folder2.folder3.step_5_load.exe";
	
	} {

		try {ftp disconnect "destination_sess";} {} "[err]";

		#Step 4 is not valid;
		stack flow_step [FLOW_PID] 4 "destination_connect_KO";
		
		# Give the error to the stack and stop the process;
		exception (1) ([global_err]);
	
	} "[global_err]";
	
} "Return nothing";
if (not (group is granted script "folder1.folder2.folder3.step_4_destination_connect.exe" "0001_folder1_folder2_folder3")) {
	group grant script "folder1.folder2.folder3.step_4_destination_connect.exe" "0001_folder1_folder2_folder3";
};

script merge "folder1.folder2.folder3.step_5_load.exe" true 1
  (param
  )
  "Load file to the destination"
{

	# CONFIGURATION ;
	-> "[CONF_DIR_DESTINATION]" "/remote/dir";
	
	# HANDLE ;
	try {
	
		ftp cd "destination_sess" [CONF_DIR_DESTINATION];

		# Mark the flow as step 5;
		stack flow_step [FLOW_PID] 5 "load...";
		
		log write (concat "Send '" (concat "home/" [FLOW_PID] "/" [filename]) "' to '" (concat [CONF_DIR_DESTINATION] "/" [filename]) "' ...") OK null null;

		# Send file into the destination directory;
		ftp put "destination_sess" (concat "home/" [FLOW_PID] "/" [filename]) "RESUME";
		
		log write "Sended." OK null null;

		ftp disconnect "destination_sess";
		
		#Step 5 is valid;
		stack flow_step [FLOW_PID] 5 "load_ok";
		
	} {
	
		try {ftp disconnect "destination_sess";} {} "[err]";

		#Step 5 is not valid;
		stack flow_step [FLOW_PID] 5 "load_KO";
		
		# Give the error to the stack and stop the process;
		exception (1) ([global_err]);
	
	} "[global_err]";

} "Return nothing";
if (not (group is granted script "folder1.folder2.folder3.step_5_load.exe" "0001_folder1_folder2_folder3")) {
	group grant script "folder1.folder2.folder3.step_5_load.exe" "0001_folder1_folder2_folder3";
};

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