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October 12, 2022 21:42
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Función para obtener la TRM del día en Colombia - VFP
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*=========================================================================== | |
*------------------------------------- | |
* FUNCTION trm(tcFecha) | |
*------------------------------------- | |
* Realiza una consulta en la web www.datos.gor.co para | |
* traer el valor de la tasa representativa del mercado a la fecha | |
* enviada, si no se envía parametro toma la fecha del sistema o | |
* fecha del día | |
* RETORNA: Valor un objeto con los datos del precio del dólar con dos decimales. | |
* Hay que tener en en cuenta la vigencia para guardar el dato en un tabla | |
* USO: WAIT WINDOW trm(DATE(2022, 08, 17)): Retorna el valor del | |
* dólar en pesos del día 17 de agosto de 2022. | |
* WAIT WINDOW trm(): Retorna el valor del dólar del día. | |
*------------------------------------- | |
FUNCTION trm | |
LPARAMETERS tdDate | |
lcDate = IIF(VARTYPE("tdDate") = "U" OR VARTYPE(tdDate) <> "D", Date(), tdDate) | |
lcDate = IIF(lcDate > DATE(), DATE(), lcDate) | |
lcURL = 'https://www.datos.gov.co/resource/32sa-8pi3.json?vigenciadesde=' | |
lcURLFin = 'T00:00:00.000' &&'&%24%24app_token=o5dWSiaVQYs8tivrOZDgO9uCe' | |
lcDate = ALLTRIM(STR(YEAR(lcDate))) + "-" + PADL(MONTH(lcDate), 2, '0') + "-" + PADL(DAY(lcDate), 2, '0') | |
cDato = 0 | |
*--- Se arma la dirección a consultar completa | |
lcURLTotal = lcURL + lcDate + lcURLFin | |
Set Procedure To "C:\IGD\Clases\nfJson\nfJsonRead" additive | |
LOCAL loXMLHTTP AS "MSXML2.XMLHTTP" | |
TRY | |
loXMLHTTP = CREATEOBJECT("MSXML2.XMLHTTP.6.0") | |
CATCH | |
loXMLHTTP = CREATEOBJECT("MSXML2.XMLHTTP.3.0") | |
ENDTRY | |
*!* loXMLHTTP = CREATEOBJECT("MSXML2.XMLHTTP") | |
TRY | |
WITH loXMLHTTP | |
.OPEN("GET", lcURLTotal) | |
.SEND() | |
jsonString = .responseText | |
* jsonString = LEFT(jsonString, AT('}' + CHR(13), jsonString)) | |
ENDWITH | |
cDato = STREXTRACT(jsonString, "[", "]") | |
vfpobj = nfJsonRead(cDato) | |
CATCH TO oException | |
IF oException.ERRORNO = 1 | |
STRTOFILE("Ocurrio un error a las: " + TRANSFORM(DATETIME()); | |
+ CHR(13),"C:\Temp\Errors.log",.T.) | |
ENDIF | |
FINALLY | |
ENDTRY | |
cDato = IIF(EMPTY(cDato), 0, cDato) | |
cDato = IIF(TYPE("cDato") <> "N", VAL(cDato), cDato) | |
RETURN IIF(TYPE("vfpobj") = "U", .F., vfpobj) &&cDato | |
ENDFUNC | |
*=========================================================================== |
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