PAN-FRIED SALMON in Curried Tomato Sauce

This is a quick and easy salmon recipe that would go well with pasta or flatbread or something that needs some really good sauce!
Ingredients for the salmon fillets:
2 salmon fillets
1 teaspoon salt on each side
1 teaspoon of black pepper
1 teaspoon of red pepper flakes
Ingredients for the sauce:
one dice onion
2 cups diced or crushed tomatoes
3 cloves of minced garlic
1/4 cup water
1 teaspoon turmeric powder
2 teaspoons of curry powder
1 teaspoon of cumin powder
1/2 teaspoon cayenne pepper
3/4 teaspoon of salt